    <SEC-DOCUMENT>0001387131-18-001485-index.html : 20180824
    <SEC-HEADER>0001387131-18-001485.hdr.sgml : 20180824

    <ACCEPTANCE-DATETIME>20180409172513

    <PRIVATE-TO-PUBLIC>

    ACCESSION NUMBER:		0001387131-18-001485

    CONFORMED SUBMISSION TYPE:	N-2

    PUBLIC DOCUMENT COUNT:		13

    FILED AS OF DATE:		20180409

    DATE AS OF CHANGE:		20180409

    FILER:

    	COMPANY DATA:

    		COMPANY CONFORMED NAME:			CALAMOS GLOBAL TOTAL RETURN FUND

    		CENTRAL INDEX KEY:			0001285650

    		IRS NUMBER:				203377281

    		FISCAL YEAR END:			1031

    	FILING VALUES:

    		FORM TYPE:		N-2

    		SEC ACT:		1933 Act

    		SEC FILE NUMBER:	333-224205

    		FILM NUMBER:		18746364

    	BUSINESS ADDRESS:

    		STREET 1:		2020 CALAMOS COURT

    		STREET 2:		C/O CALAMOS ADVISORS LLC

    		CITY:			NAPERVILLE

    		STATE:			IL

    		ZIP:			60563

    		BUSINESS PHONE:		6302451046

    	MAIL ADDRESS:

    		STREET 1:		2020 CALAMOS COURT

    		STREET 2:		C/O CALAMOS ADVISORS LLC

    		CITY:			NAPERVILLE

    		STATE:			IL

    		ZIP:			60563

    FILER:

    	COMPANY DATA:

    		COMPANY CONFORMED NAME:			CALAMOS GLOBAL TOTAL RETURN FUND

    		CENTRAL INDEX KEY:			0001285650

    		IRS NUMBER:				203377281

    		FISCAL YEAR END:			1031

    	FILING VALUES:

    		FORM TYPE:		N-2

    		SEC ACT:		1940 Act

    		SEC FILE NUMBER:	811-21547

    		FILM NUMBER:		18746365

    	BUSINESS ADDRESS:

    		STREET 1:		2020 CALAMOS COURT

    		STREET 2:		C/O CALAMOS ADVISORS LLC

    		CITY:			NAPERVILLE

    		STATE:			IL

    		ZIP:			60563

    		BUSINESS PHONE:		6302451046

    	MAIL ADDRESS:

    		STREET 1:		2020 CALAMOS COURT

    		STREET 2:		C/O CALAMOS ADVISORS LLC

    		CITY:			NAPERVILLE

    		STATE:			IL

    		ZIP:			60563

    </SEC-HEADER>

    <DOCUMENT>
    <TYPE>N-2
    <SEQUENCE>1
    <FILENAME>cgo-n2_040918.htm
    <DESCRIPTION>INITIAL REGISTRATION STATEMENT
    <TEXT>
    Document 1 - file: cgo-n2_040918.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.B
    <SEQUENCE>3
    <FILENAME>ex99-b.htm
    <DESCRIPTION>AMENDED AND RESTATED BY-LAWS
    <TEXT>
    Document 3 - file: ex99-b.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.K.1.II
    <SEQUENCE>4
    <FILENAME>ex99-k1ii.htm
    <DESCRIPTION>AMENDMENT, DATED JULY 1, 2012, TO STOCK TRANSFER AGENCY AGREEMENT
    <TEXT>
    Document 4 - file: ex99-k1ii.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.K.1.III
    <SEQUENCE>5
    <FILENAME>ex99-k1iii.htm
    <DESCRIPTION>AMENDMENT, DATED MARCH 20, 2015, TO STOCK TRANSFER AGENCY AGREEMENT
    <TEXT>
    Document 5 - file: ex99-k1iii.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.K.1.IV
    <SEQUENCE>6
    <FILENAME>ex99-k1iv.htm
    <DESCRIPTION>AMENDMENT, DATED SEPTEMBER 6, 2017, TO STOCK TRANSFER AGENCY AGREEMENT
    <TEXT>
    Document 6 - file: ex99-k1iv.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.K.1.V
    <SEQUENCE>7
    <FILENAME>ex99-k1v.htm
    <DESCRIPTION>AMENDMENT, DATED OCTOBER 18, 2017, TO STOCK TRANSFER AGENCY AGREEMENT
    <TEXT>
    Document 7 - file: ex99-k1v.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.N.
    <SEQUENCE>8
    <FILENAME>ex99-n.htm
    <DESCRIPTION>CONSENT OF AUDITORS
    <TEXT>
    Document 8 - file: ex99-n.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.R.1
    <SEQUENCE>9
    <FILENAME>ex99-r1.htm
    <DESCRIPTION>CODE OF ETHICS
    <TEXT>
    Document 9 - file: ex99-r1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.S.2
    <SEQUENCE>10
    <FILENAME>ex99-s2.htm
    <DESCRIPTION>POWER OF ATTORNEY (FOR VIRGINIA G. BREEN)
    <TEXT>
    Document 10 - file: ex99-s2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>cgo-cover_img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: cgo-cover_img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>auditreportimg001.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: auditreportimg001.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>coe001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: coe001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>COVER
    <SEQUENCE>14
    <FILENAME>filename14.htm
    <TEXT>
    Document 14 - file: filename14.htm

    </DOCUMENT>
    </SEC-DOCUMENT>