    <SEC-DOCUMENT>0000814052-25-000064-index.html : 20250514
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    <ACCEPTANCE-DATETIME>20250514082229
    ACCESSION NUMBER:		0000814052-25-000064
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20250331
    FILED AS OF DATE:		20250514
    DATE AS OF CHANGE:		20250514

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			TELEFONICA S A
    		CENTRAL INDEX KEY:			0000814052
    		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
    		ORGANIZATION NAME:           	06 Technology
    		EIN:				000000000
    		STATE OF INCORPORATION:			U3
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-09531
    		FILM NUMBER:		25942753

    	BUSINESS ADDRESS:
    		STREET 1:		GRAN VIA 28
    		CITY:			28013 MADRID
    		STATE:			U3
    		ZIP:			00000
    		BUSINESS PHONE:		00 34 91 584 0640

    	MAIL ADDRESS:
    		STREET 1:		GRAN VIA 28
    		CITY:			28013 MADRID
    		STATE:			U3
    		ZIP:			00000

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NATIONAL TELEPHONE COMPANY OF SPAIN
    		DATE OF NAME CHANGE:	19880708
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>6-K
    <SEQUENCE>1
    <FILENAME>tefres1q25.htm
    <DESCRIPTION>6-K
    <TEXT>
    Document 1 - file: tefres1q25.htm

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    <SEQUENCE>2
    <FILENAME>a19qespaolprimagea02.gif
    <TEXT>
    Document 2 - file: a19qespaolprimagea02.gif

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>cabeceraq1.jpg
    <TEXT>
    Document 3 - file: cabeceraq1.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>image.jpg
    <TEXT>
    Document 4 - file: image.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>portada001.jpg
    <TEXT>
    Document 5 - file: portada001.jpg

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    <SEQUENCE>6
    <FILENAME>qring.jpg
    <TEXT>
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