The 2003 William & Mary Tribe football team represented the College of William & Mary as member of the Atlantic 10 Conference (A-10) during the 2003 NCAA Division I-AA football season. Led by Jimmye Laycock in his 24th year as head coach, William & Mary finished the season with an overall record of 5–5 and a mark of 4–4 in A-10 play, tying for fifth place.