The Socialist Revolutionary Party, a non-Marxist party was formed in 1901. It had two factions, one for political agitation and one for terroristic violence. This party had nothing to do with the Bolshevik Party, which emerged from a split in the Russian Social Democratic Labor Party, which was a Marxist party.
Socialist-Revolutionary Party was created in 1901.
Italian Revolutionary Socialist Party was created in 1881.
Ukrainian Socialist-Revolutionary Party was created in 1907.
Ukrainian Socialist-Revolutionary Party ended in 1917.
Revolutionary Socialist Party - India - was created in 1940.
Somali Revolutionary Socialist Party ended in 1991.
Revolutionary Socialist Party - Peru - was created in 1976.
Revolutionary Socialist Labor Party ended in 1883.
Revolutionary Socialist Labor Party was created in 1881.
Revolutionary Socialist Party - Sweden - was created in 1945.
Socialist Revolutionary Anarchist Party was created in 1891.
Somali Revolutionary Socialist Party was created in 1976-06.