<SEC-DOCUMENT>0001179110-18-005104.txt : 20180402
<SEC-HEADER>0001179110-18-005104.hdr.sgml : 20180402
<ACCEPTANCE-DATETIME>20180402195424
ACCESSION NUMBER:		0001179110-18-005104
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180329
FILED AS OF DATE:		20180402
DATE AS OF CHANGE:		20180402

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Alford Peggy
		CENTRAL INDEX KEY:			0001736236

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12504
		FILM NUMBER:		18730962

	MAIL ADDRESS:	
		STREET 1:		435 TASSO STREET
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACERICH CO
		CENTRAL INDEX KEY:			0000912242
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				954448705
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		401 WILSHIRE BLVD
		STREET 2:		STE 700
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401
		BUSINESS PHONE:		3103946000

	MAIL ADDRESS:	
		STREET 1:		401 WILSHIRE BLVD SUITE 700
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 3 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-03-29</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000912242</issuerCik>
        <issuerName>MACERICH CO</issuerName>
        <issuerTradingSymbol>MAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001736236</rptOwnerCik>
            <rptOwnerName>Alford Peggy</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>401 WILSHIRE BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 700</rptOwnerStreet2>
            <rptOwnerCity>SANTA MONICA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90401</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>No securities are beneficially owned.</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>Ann Menard for Peggy Alford</signatureName>
        <signatureDate>2018-04-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-alford.txt
<DESCRIPTION>CONFIRMING STATEMENT
<TEXT>
                               SECTION 16 REPORTS

                              CONFIRMING STATEMENT


         This statement confirms that the undersigned, Peggy Alford, has
authorized and designated ANN C. MENARD and LISA PENA (the "Agents") to
execute and file on the undersigned's behalf the Form ID Application and
all Forms 3, 4 and 5 (including any amendments thereto) that the
undersigned may be required to file with the U. S. Securities and Exchange
Commission as a result of the undersigned's ownership of or transactions
in securities of THE MACERICH COMPANY (the "Corporation"). The authority
of the Agents under this Statement shall continue until the undersigned
is no longer required to file Forms 4 and 5 with regard to the undersigned's
ownership of or transactions in securities of the Corporation, unless
earlier revoked in writing. The undersigned acknowledges that the Agents
are not assuming any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934.



Date: March 30, 2018              Signature: /s/ Peggy Alford
                                             ----------------------------
                                             Peggy Alford
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
