<SUBMISSION>
<ACCESSION-NUMBER>0000004285-07-000042
<TYPE>S-8 POS
<PUBLIC-DOCUMENT-COUNT>1
<FILING-DATE>20071130
<DATE-OF-FILING-DATE-CHANGE>20071130
<EFFECTIVENESS-DATE>20071130
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>ALCAN INC
<CIK>0000004285
<ASSIGNED-SIC>3330
<IRS-NUMBER>000000000
<STATE-OF-INCORPORATION>A6
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>S-8 POS
<ACT>33
<FILE-NUMBER>333-111555
<FILM-NUMBER>071276897
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>1188 SHERBROOKE ST WEST
<CITY>MONTREAL QUEBEC CANA
<STATE>A8
<ZIP>00000
<PHONE>5148488000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1188 SHERBROOKE STREET WEST
<CITY>MONTREAL QUEBEC CANA
<STATE>A8
<ZIP>00000
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>ALCAN ALUMINIUM LTD /NEW
<DATE-CHANGED>19930519
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>ALUMINUM CO OF CANADA LTD
<DATE-CHANGED>19870728
</FORMER-COMPANY>
</FILER>
<DOCUMENT>
<TYPE>S-8 POS
<SEQUENCE>1
<FILENAME>forms8no333111555.htm
<TEXT>
<html>

<head>

<title>&nbsp;</title>

</head>

<body>

<div class="Section1">
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">As filed with the Securities and Exchange
	Commission on November 30, 2007</font></b></p>

	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">UNITED STATES SECURITIES AND EXCHANGE
	COMMISSION</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Washington, D.C. 20549</font></b></p>

	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0" align="center">
	<font size="2">&nbsp;</font></p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0" align="center">
	<b><font size="2">POST-EFFECTIVE
	AMENDMENT NO. 1 TO</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">FORM S-8 REGISTRATION STATEMENT</font></b></p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0" align="center"><b>
	<font size="2">UNDER THE SECURITIES ACT OF 1933</font></b></p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0" align="center"><b>
	<font size="2">(File No. 333-111555)</font></b></p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">ALCAN INC.</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<font size="2">(Exact Name of Registrant as Specified in
	Its Charter)</font></p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
        <table cellpadding="0" cellspacing="0" width="100%" id="table10">

            <tr>
              <td valign="top" width="35%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
					<p style="margin-top: 0; margin-bottom: 0"><font size="2">&#160;</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
					<p style="margin-top: 0; margin-bottom: 0"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>C</strong></font><strong><font size="2">anada</font></strong></div>
              </td>
              <td valign="top" width="34%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
					<p style="margin-top: 0; margin-bottom: 0"><font size="2">&#160;</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
					<p style="margin-top: 0; margin-bottom: 0"><b>
					<font size="2">

					Not Applicable</font></b></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="35%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
					<p style="margin-top: 0; margin-bottom: 0"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(State
                  or Other Jurisdiction of</font></div>
              </td>
              <td valign="top" width="34%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
					<p style="margin-top: 0; margin-bottom: 0"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(I.R.S.
                  Employer Identification No.)</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="35%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
					<p style="margin-top: 0; margin-bottom: 0"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Incorporation
                  or Organization)</font></div>
              </td>
              <td align="left" valign="top" width="34%">
				<p style="margin-top: 0; margin-bottom: 0"><font size="2">&#160;</font></td>
            </tr>

        </table>

	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">&nbsp;</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">1188 Sherbrooke Street West</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Montreal, Quebec, Canada
	H3A 3G2</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">514-848-8000</font></b></p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<font size="2">(Address, Including Zip Code,
	and Telephone Number, Including Area Code, of Registrant's Principal
	Executive Offices)</font></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>

	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Pechiney Stock Option Plan
	of June 26, 1996</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Pechiney Stock Option Plan
	of September 16, 1997</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Pechiney Stock Option Plan
	of November 25, 1998</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Pechiney Stock Option Plan
	of June 2, 1999</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Pechiney Stock Option Plan
	of November 8, 1999</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Pechiney Stock Option Plan
	of December 22, 2000</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Pechiney Stock Option Plan
	of July 25, 2001</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Pechiney Stock Option Plan
	of March 28, 2002</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Pechiney Stock Option Plan
	of April 3, 2003</font></b></p>

	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<font size="2">(Full title of the Plan)&nbsp;&nbsp;
	</font>
	</p>


	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Roy Millington, Corporate
	Secretary</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Alcan Inc. </font> </b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">1188 Sherbrooke Street West</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Montreal, Quebec, Canada
	H3A 3G2</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">514-848-8000</font></b></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<font size="2">(Name, Address, Including Zip
	Code, and Telephone Number, Including Area Code, of Agent for Service)</font></p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>

	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<font size="2">________________</font></p>

	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</div>
<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
<font size="2">Copies to:</font></p>

<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
<b><font size="2">Scott D. Miller</font></b></p>
<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
<b><font size="2">Sullivan &amp; Cromwell LLP</font></b></p>
<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
<b><font size="2">1870 Embarcadero Road</font></b></p>
<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
<font size="2">&nbsp;</font><b><font size="2">Palo
Alto, California 94303</font></b></p>
<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
<b><font size="2">(650) 461-5600</font></b></p>

<font size="2">

<br clear="all" style="page-break-before: always">
&nbsp;</font><hr>
<div class="Section2">
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" align="center" style="text-align: center; text-autospace: none; margin-top:0; margin-bottom:0">
	<b><font size="2">Explanatory Note</font></b></p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	<font size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; On November
	15, 2007, Rio Tinto Canada Holding Inc., an indirect wholly-owned subsidiary
	of Rio Tinto plc, acquired all of the common shares of Alcan Inc. (&quot;Common
	Shares&quot;) not already owned by it by exercising its right under the
	compulsory acquisition provisions of the Canada Business Corporations Act
	(the &quot;Compulsory Acquisition&quot;).&nbsp; As a result, the Company has terminated all
	offerings of its common shares pursuant to its existing registration
	statements, including the Company's Registration Statement on Form S-8 (File
	No. 333-111555) (the &quot;Registration Statement&quot;). In accordance with an
	undertaking made by the Company in its Registration Statement to remove from
	registration, by means of a post-effective amendment, any of the Company's
	Common Shares which remain unsold at the termination of the offering, the
	Company hereby removes from registration all of its Common Shares under the
	Registration Statement which remained unsold as of the effective time of the
	Compulsory Acquisition.</font></p>
	<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
	&nbsp;</div>

<font size="2">

<br clear="all" style="page-break-before: always">
&nbsp;</font><hr>
<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
&nbsp;</p>

<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0" align="center"><b>
<font size="2">SIGNATURES</font></b><font size="2">&nbsp;</font></p>
<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
&nbsp;</p>
<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
<font size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Pursuant to the
requirements of the Securities Act of 1933, the Company certifies that it has
reasonable grounds to believe that it meets all of the requirements for filing
on Form S-8, and has duly caused this Post-Effective Amendment No. 1 to
Registration Statement on Form S-8 to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Montreal, Province of
Quebec, Canada, on November 30, 2007.</font></p>
<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
&nbsp;</p>
<table class="MsoNormalTable" border="0" cellpadding="0" width="723" style="width: 100%; border-collapse: collapse; margin-left: 1.75pt" id="table11">
	<tr>
		<td width="364" valign="top" style="width: 272.75pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
		<td width="359" colspan="2" valign="top" style="width: 269.45pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		<font size="2">ALCAN INC. </font> </td>
	</tr>
	<tr>
		<td width="723" colspan="3" valign="top" style="width: 542.2pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
	</tr>
	<tr>
		<td width="723" colspan="3" valign="top" style="width: 542.2pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
	</tr>
	<tr>
		<td width="364" valign="top" style="width: 272.75pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" align="right" style="text-align: right; text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
		<td width="24" valign="top" style="width: 17.95pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">&nbsp;</td>
		<td width="335" valign="top" style="width: 251.5pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
	</tr>
	<tr>
		<td width="364" valign="top" style="width: 272.75pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
		<td width="24" valign="top" style="width: 17.95pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		<font size="2">&nbsp;By:</font></td>
		<td width="335" valign="top" style="width: 251.5pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<div style="border-bottom-style: solid; border-bottom-width: 1px">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		<font size="2">&nbsp; /s/ Roy Millington</font></div>
		</td>
	</tr>
	<tr>
		<td width="364" valign="top" style="width: 272.75pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
		<td width="24" valign="top" style="width: 17.95pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
		<td width="335" valign="top" style="width: 251.5pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		<font size="2">&nbsp; Roy Millington
		</font>
		</td>
	</tr>
	<tr>
		<td width="364" valign="top" style="width: 272.75pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
		<td width="24" valign="top" style="width: 17.95pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		&nbsp;</td>
		<td width="335" valign="top" style="width: 251.5pt; padding-left: 1.75pt; padding-right: 1.75pt; padding-top: 0in; padding-bottom: 0in">
		<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
		<font size="2">&nbsp; Corporate Secretary
		</font>
		</td>
	</tr>
</table>

<p class="MsoNormal" style="text-autospace: none; margin-top:0; margin-bottom:0">
&nbsp;</p>

</body>

</html>
</TEXT>
</DOCUMENT>
</SUBMISSION>
