Niklas Henrikki Tarvajärvi (born 13 March 1983) is a retired Finnish professional footballer who played as a striker.

After FC Jokerit was sold to rivals HJK Helsinki in March 2004 and renamed to Klubi-04 Tarvajarvi transferred to MyPa.

After his contract in Karlsruher SC ended he transferred to Dutch Eerste Divisie side Go Ahead Eagles.

[3] Tarvajärvi debuted in the Finland national team on 12 March 2005, coming on as a substitute against Kuwait in a friendly match.

[8] His son Niilo Tarvajärvi is also a footballer, playing for Ajax U16 youth academy team.