Oleg Svyatoslavich may refer to:
- A son of Svyatoslav I of Kiev, appointed to rule over the Derevlians (10th century)
- Prince Oleg I of Chernigov (r. 1097–1115)
- Oleg I Svyatoslavich, Prince of Putivl until 1164
- Prince Oleg III Svyatoslavich (Prince of Chernigov) (c. 1147 – 1204)