Sviatoslav is a Russian and Ukrainian given name of Slavic origin. Cognates include Svetoslav, Svatoslav, Świętosław, Svetislav. It has a Pre-Christian pagan character and means "one who worships the light". In Christian times the name's meaning started to be associated with the Proto-Slavic roots *svętъ (holy) and *slava (glory), to be explained as "One who worships the Holy". A diminutive form for Sviatoslav is Svetlyo (Bulgarian), Slava (Russian), Świętek (Polish), Slavik (Ukrainian). Its feminine form is Sviatoslava. The name may refer to:
