Aku Kauste (born 17 November 1979) is a Finnish curler from Helsinki.

In 1998, Kauste made his first international appearance at the World Junior Curling Championships.

[1][2] Kauste played in the 2002[3] and 2003[4] World Curling Championships with Team Finland, skipped by Markku Uusipaavalniemi.

The other players of the medal team were Aku's sister Oona Kauste, Pauli Jäämies and Sanna Puustinen.

[9] This biographical article relating to curling in Finland is a stub.