Oskar Ludvig Starck (Russian: ????? ?????????? (?????????) ?????, Oskar Viktorovich (Fyodorovich) Stark; 16 August 1846 – 13 November 1928) was a Finland-Swedish admiral in the Imperial Russian Navy and a noted explorer of Peter the Great Gulf and the Far Eastern seas.
A strait in Peter the Great Gulf and a bay in the Tatar Strait are named after him.