Magnus Øen Carlsen (born November 30, 1990 in Tønsberg, Norway) is a Norwegian chess Grandmaster and chess prodigy.

On April 26, 2004 Carlsen became Grandmaster at the age of 13 years, 4 months, and 27 days, the third youngest Grandmaster age in history.

He has continued to have major successes. In the January 2008 FIDE list, he has an Elo rating of 2733, making him Norway's number 1, World Juniors' number 1 and World's number 13. He is predicted to enter the top 5 in the April 2008 list.