Iakov Mikhailovich Shafir (1886 - 26 April, 1938) (Russian: Яков Михайлович Шафир) was a Bolshevik historian. He was murdered during Stalin's Great Purge.
Shafir joined the Bolshevik faction of the Russian Social Democratic Labour Party in 1903. He remained active with them until 1917 when he joined the Right Socialist Revolutionary Party.[1]