<SEC-DOCUMENT>0001285650-17-000004-index.html : 20171228
<SEC-HEADER>0001285650-17-000004.hdr.sgml : 20171228
<ACCEPTANCE-DATETIME>20171228160907
ACCESSION NUMBER:		0001285650-17-000004
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20171031
FILED AS OF DATE:		20171228
DATE AS OF CHANGE:		20171228
EFFECTIVENESS DATE:		20171228

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:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21547
		FILM NUMBER:		171278525

	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>NSAR-B
<SEQUENCE>1
<FILENAME>cgoanswerfile.fil
<DESCRIPTION>ANSWER FILE
<TEXT>
Document 1 - file: cgoanswerfile.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77B ACCT LTTR
<SEQUENCE>2
<FILENAME>cgoauditletter.txt
<DESCRIPTION>AUDITOR LETTER
<TEXT>
Document 2 - file: cgoauditletter.txt

</DOCUMENT>
</SEC-DOCUMENT>