The 2018 William & Mary Tribe football team represented the College of William & Mary as a member of the Colonial Athletic Association (CAA) in the 2018 NCAA Division I FCS football season. The Tribe, led by 39th-year head coach Jimmye Laycock, played their home games at Zable Stadium. They finished the season 4–6 overall and 3–4 in CAA play to place eighth.
On August 5, 2018, Laycock announced that he would be retiring after the conclusion of the 2018 season. He finished at William & Mary with a 39-year record of 249–194–2.
Preseason
CAA Poll
In the CAA preseason poll released on July 24, 2018, the Tribe were predicted to finish in eleventh place. They did not have any players selected to the preseason all-CAA team.