Johan (Jussi) Vatanen (15 January 1875, Eno – 1936, Kaluga) was a Finnish labourer and politician.
During the Finnish Civil War he sided with the Reds and when the Finnish Socialist Workers' Republic collapsed, he fled to Soviet Russia.
On 29 August 1918, he took part in the founding congress of the Communist Party of Finland (SKP) in Moscow.
He worked as a party functionary, as a propagandist and as a teacher until 1935, when he retired.
This article about a Social Democratic Party of Finland politician is a stub.