Sviatoslav (, ; , ) is a Russian and Ukrainian given name of Slavic origin. Cognates include Svetoslav, Svatoslav, , Svetislav. It has a Pre-Christian pagan character and means "one who worships the light" (likely in reference to the sun). In Christian times the name's meaning started to be associated with the Proto-Slavic roots (holy) and (glory), to be explained as "One who worships the Holy". A diminutive form for Sviatoslav is Svetlyo (Bulgarian), Slava (Russian), (Polish), Slavik (Ukrainian). Its feminine form is Sviatoslava. The name may refer to:
People
Monarchs
Sviatoslav I of Kiev (c. 942 – 972), emperor of Rus
Sviatoslav II of Kiev (1027–1076), prince of Kiev and Chernigov
Sviatoslav III of Kiev (before 1141–1194), prince of Turov (1142 and 1154), Vladimir and Volyn (1141–1146), Pinsk (1154), Novgorod-Seversky (1157–1164), Chernigov (1164–1177), Grand Prince of Kiev (1174, 1177–1180, 1182–1194) Sviatoslav Olgovich (before 1108–1164), prince of Novgorod-Severski (1136–1138, 1139), Belgorod (1141–1154) and Chernigov (1154–1164) Sviatoslav III of Vladimir (1196–1252), prince of Vladimir and Novgorod