<SEC-DOCUMENT>0001104659-22-067248-index.html : 20220602
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<ACCEPTANCE-DATETIME>20220601192250
ACCESSION NUMBER:		0001104659-22-067248
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220602
DATE AS OF CHANGE:		20220601

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS STRATEGIC TOTAL RETURN FUND
		CENTRAL INDEX KEY:			0001275214
		IRS NUMBER:				043785941
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-255673
		FILM NUMBER:		22988841

	BUSINESS ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60653
		BUSINESS PHONE:		6302451046

	MAIL ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60653
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>tm2217416d8_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: tm2217416d8_424b3.htm

</DOCUMENT>
</SEC-DOCUMENT>