Eino Abramovich Rahja (20 June 1885 – 26 April 1936) was a Finnish-Russian revolutionary who joined the Russian Social Democratic Labour Party in 1903, becoming aligned with the party's Bolshevik faction.

Rahja organized Lenin's temporary escape to Finland in the summer of 1917.

During the Finnish Civil War, Rahja was one of the most capable military leaders of the Reds.

[1] Eino Rahja was expelled from the Central Committee of the Communist Party of Finland in 1927.

His brother, Jukka, was killed during the Kuusinen Club Incident on 31 August 1920.