FC Haka is a Finnish football club based in Valkeakoski, founded in 1934 as Valkeakosken Haka. The club originated from the local industrial sector, maintaining close ties with the UPM-Kymmene paper mills (formerly Paperituote). The team traditionally plays in black and white kit.
Since its establishment, the club's home venue has been Tehtaan kenttä (The Factory Pitch), located adjacent to the industrial complex and central park. In domestic competitions, FC Haka has won 9 Finnish league championships (Veikkausliiga) and 12 Finnish Cups (Suomen Cup). Key figures in the club's history include goalkeeper and manager Olli Huttunen, forward Valeri Popovitch, and defender Juhani Peltonen, who played in the German Bundesliga during the 1960s.
The club's most notable European achievement occurred in the 1983–84 European Cup Winners' Cup, where it reached the quarter-finals. After defeating Sligo Rovers and Hammarby IF, FC Haka was eliminated by Juventus following two 1–0 defeats.