Sebastian Telfair (born June 9, 1985) is an American professional basketball player for the NBA's Minnesota Timberwolves.

Telfair was the 13th overall pick in the 2004 NBA Draft by the Portland Trail Blazers out of Abraham Lincoln High School. At 6', he is the shortest high school player ever to be drafted. He had committed to the University of Louisville and coach Rick Pitino during his senior year, but decided to turn professional instead. Telfair is the cousin of New York Knicks guard Stephon Marbury, and the half-brother of former NBA player Jamel Thomas.