The 2003 All-SEC football team consists of American football players selected to the All-Southeastern Conference (SEC) chosen by the Associated Press (AP) and the conference coaches for the 2003 NCAA Division I-A football season. The LSU Tigers won the conference, beating the Georgia Bulldogs 34 to 13 in the SEC Championship game. The Tigers then won a national championship, defeating the Big 12 champion Oklahoma Sooners 21 to 14 in the BCS National Championship Game.