2K3

2K3 may refer to:


 * the year 2003
 * NBA 2K3, 2002 video game
 * NCAA College Basketball 2K3, 2002 video game
 * NCAA College Football 2K3, 2002 video game
 * NFL 2K3, 2002 video game
 * NHL 2K3, 2002 video game
 * World Series Baseball 2K3, 2003 video game