Oleg Svyatoslavich may refer to:

  • Oleg of Drelinia (died 977), prince of the Drevlians
  • Oleg I of Chernigov (died 1115), prince of Chernigov
  • Oleg II Svyatoslavich, prince Novgorod-Seversk ()
  • Oleg III Svyatoslavich (died 1204), prince of Chernigov