Teemu Lassila (born 26 March 1983) is a Finnish former professional ice hockey goaltender.

He most recently played in the 2019–20 season of the Austrian Hockey League (EBEL) with the Czech team Orli Znojmo.

He appeared in three games at the 2011 IIHF World Championship as a member of the gold medal-winning Finland men's national ice hockey team.

Lassila was selected by the Nashville Predators in the 4th round (117th overall) of the 2003 NHL Entry Draft, but he never played in the National Hockey League.

This biographical article relating to a Finnish ice hockey goaltender is a stub.