Karjala (ex-Filin) was a Finnish gunboat, built in 1918 at Ab Crichton shipyard in Turku. She served in the Finnish Navy during World War II. Karjala was named after the Finnic cultural region of Karelia. Like her sister ship Turunmaa, she served as cadet training vessel during peacetime and was nicknamed as Kurjala by cadets.

Aktiebolaget Crichton was a shipbuilding and engineering company that operated in 1914–1924 in Turku, Finland. The main products were vessels, steam engines and combustion engines.