<SEC-DOCUMENT>0001104659-22-068617-index.html : 20220607
<SEC-HEADER>0001104659-22-068617.hdr.sgml : 20220607
<ACCEPTANCE-DATETIME>20220606173137
ACCESSION NUMBER:		0001104659-22-068617
CONFORMED SUBMISSION TYPE:	N-CSR/A
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20211031
FILED AS OF DATE:		20220607
DATE AS OF CHANGE:		20220606
EFFECTIVENESS DATE:		20220607

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-CSR/A
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21547
		FILM NUMBER:		22999060

	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-CSR/A
<SEQUENCE>1
<FILENAME>tm2217714d1_ncsra.htm
<DESCRIPTION>N-CSR/A
<TEXT>
Document 1 - file: tm2217714d1_ncsra.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CODE ETH
<SEQUENCE>2
<FILENAME>ex99-codeeth.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: ex99-codeeth.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>tm2217714d1_ex99-cert.htm
<DESCRIPTION>EXHIBIT 99.CERT
<TEXT>
Document 3 - file: tm2217714d1_ex99-cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>4
<FILENAME>tm2217714d1_ex99-906cert.htm
<DESCRIPTION>EXHIBIT 99.906CERT
<TEXT>
Document 4 - file: tm2217714d1_ex99-906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(2)(III)
<SEQUENCE>5
<FILENAME>ex99-a2iii.htm
<DESCRIPTION>PROXY VOTING POLICIES AND PROCEDURES
<TEXT>
Document 5 - file: ex99-a2iii.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>cgo-ncsr_103121img001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: cgo-ncsr_103121img001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>cgo-ncsr_103121img002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: cgo-ncsr_103121img002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>cgo-ncsr_103121img003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: cgo-ncsr_103121img003.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>cgo-ncsr_103121img004.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: cgo-ncsr_103121img004.gif

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>cgo-ncsr_103121img005.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: cgo-ncsr_103121img005.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>cgo-ncsr_103121img006.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: cgo-ncsr_103121img006.gif

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>cgo-ncsr_103121img007.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: cgo-ncsr_103121img007.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>cgo-ncsr_103121img008.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: cgo-ncsr_103121img008.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>cgo-ncsr_103121img009.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: cgo-ncsr_103121img009.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>cgo-ncsr_103121img010.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: cgo-ncsr_103121img010.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>cgo-ncsr_103121img011.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: cgo-ncsr_103121img011.gif

</DOCUMENT>
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