Senyavin Strait, a strait in the Bering Sea

Ivan Akimovich Senyavin (?-1726), a Russian rear admiral, head of the port of Astrakhan

Aleksey Senyavin (1716-1797), a Russian rear admiral

Senyavin (Russian: Сенявин) (sometimes misspelled as Sinyavin) is a Russian noble family (dvoryans), famous for its Imperial Russian Navy officers.

Dmitry Senyavin, a Russian admiral who ranks among the greatest seamen of the Napoleonic Wars

Naum Senyavin, a Russian vice admiral of the Imperial Russian Navy

Senyavin Islands, a group of islands which belong to the Federated States of Micronesia