| Medal record | ||
|---|---|---|
| Men's snowboarding | ||
Representing  Finland | ||
| Olympic Games | ||
 | 2006 Turin | Halfpipe |
| FIS Snowboarding World Championships | ||
 | 2009 Gangwon | Big Air |
| Winter X Games | ||
| 2003 Aspen | Superpipe |
Markku Koski (born 15 October 1981) is a Finnish professional snowboarder from Sievi. He is well known within the snowboarding community for his consistent showing in half-pipe competitions and for his video parts with Standard Films. Koski won the bronze medal at 2006 Winter Olympics in the Halfpipe competition, and he won a gold medal in the Big Air competition at the 2009 Snowboard World Championships.
