2003 in football

American football

 * January 3 – Fiesta Bowl (2002 season):
 * The Ohio State Buckeyes won 31-24 over the Miami Hurricanes (double overtime) to win BCS National Championship
 * January 27 – Super Bowl XXXVII – Tampa Bay Buccaneers win 48-21 over the Oakland Raiders
 * September 14 – Jamal Lewis sets NFL single game record for rushing yards (295) helping Baltimore Ravens beat Cleveland Browns 33-13.