The Communist Party of the Karelo-Finnish SSR (Russian: Коммунистическая партия Карело-Финской Советской Социалистической Республики, romanized: Kommunistcheskaya partiya Karelo-Finskoy Sovyetskoy Sotsialisticheskoy Respubliki, Finnish: Karjalais-suomalaisen sosialistisen neuvostotasavallan kommunistinen puolue), initially known as the Communist Party (Bolshevik) of the Karelo-Finnish SSR, was the branch of the All-Union Communist Party/Communist Party of the Soviet Union in the Karelo-Finnish SSR (1940–1956).