Svyatoslavich or Svyatoslavych (Russian and ) is either an archaic or colloquial contracted masculine East Slavic patronymic derived from the given name Svyatoslav. The modern, non-contracted patronymic is Svyatoslavovich. The corresponding feminine patronymic is Svyatoslavna. Notable people with the patronymic include:
Gleb Svyatoslavich (–1078), Prince of Tmutarakan and Novgorod of Kievan Rus' Gleb Svyatoslavich (Prince of Chernigov) (–1215/1220), Kievan Rus' prince Igor Svyatoslavich (1151–), Prince of Novgorod-Seversk and later Prince of Chernigov Mstislav II Svyatoslavich (–1223), Kievan Rus' prince Oleg Svyatoslavich, multiple people Roman Svyatoslavich (–1079), prince of Tmutarakan in Kievan Rus' Vladimir III Svyatoslavich (after 1143–1200), prince from the Olgovichi family Volga Svyatoslavich, Russian epic hero Vsevolod I Svyatoslavich (died 1196), Prince of Kursk and Prince of Trubchevsk Vsevolod IV Svyatoslavich (died 1212), known by the epiphet the Red, Grand Prince of Kiev Yaropolk I Svyatoslavich (958–978), Prince of Kiev Yury Svyatoslavich (died 1407), prince of Smolensk and Bryansk
See also