Oleg II Svyatoslavich was prince of Novgorod-Seversk from 1164 until the year 1180. He was married to Maria Yurievna (died 1166), daughter of Yuri Dolgorukiy and his first wife, Ayyub Khan's daughter.
Oleg was born around 1137 as a son of Sviatoslav Olgovich, Prince of Chernigov, and an unnamed Cuman princess, daughter of Ayyub (Aepa) Khan. He was Prince of Putivl (Kursk, and upon his father's death, Novgorod-Seversk .