Kasper Woldemar Hämäläinen (born 8 August 1986) is a Finnish sporting director of Ykkösliiga club TPS, and a former professional international footballer who played as a attacking midfielder.

After the 2008 season, he was near a move to an unnamed Italian club but he chose to stay in Turku to secure play time in the first team.

However, in January 2013, it was announced that Hämäläinen had signed a three-year contract with Polish top-flight side Lech Poznań.

The transfer fee was never made public, but it was believed to be around €410.000 [4] On 24 February, he scored on his debut in a 4–0 away win over Ruch Chorzów.

[5] On 6 September 2019, Hämäläinen joined Czech First League club FK Jablonec, signing a two-year deal.

He made his national team debut on 19 November 2008 against Switzerland when Stuart Baxter chose him to the starting line up for a match played in St.