Andres Raja (born 2 June 1982) is a retired Estonian decathlete.

He set a personal best score of 8119 points in August at 2009 World Championships in Athletics.

Raja finished tenth at the 2010 European Championships in Barcelona with 7991 points.

He was second in the heptathlon at the Tallinn International meet, scoring a personal best of 6114 points, while winner Ashton Eaton broke the world record.

This biographical article relating to Estonian athletics is a stub.