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ACCESSION NUMBER:		0001104659-23-130183
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		49
CONFORMED PERIOD OF REPORT:	20231031
FILED AS OF DATE:		20231229
DATE AS OF CHANGE:		20231228
EFFECTIVENESS DATE:		20231229

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS GLOBAL TOTAL RETURN FUND
		CENTRAL INDEX KEY:			0001285650
		ORGANIZATION NAME:           	
		IRS NUMBER:				203377281
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21547
		FILM NUMBER:		231523854

	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
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