Oleg Ivanovich Ivaninsky (Russian: Олег Иванович Иванинский; born 5 June 1966, Novosibirsk, Novosibirsk Oblast) is a Russian political figure and a deputy of the 8th State Duma.

At the beginning of the 1990s, Ivaninsky worked as a urologist at the state Novosibirsk regional clinical hospital.

In 1996–1998, he headed the health department of the administration of the Central District of Novosibirsk.

From 2001 to 2011, Oleg Ivaninsky worked as the chief physician of the municipal health care service "Emergency Medical Aid Station" in Novosibirsk.

[5] He was sanctioned by Canada under the Special Economic Measures Act (S.C. 1992, c. 17) in relation to the Russian invasion of Ukraine for Grave Breach of International Peace and Security,[6] and by the UK government in 2022 in relation to Russo-Ukrainian War.