The 2018 Mercer Bears football team represented Mercer University as a member the Southern Conference (SoCon) during the 2018 NCAA Division I FCS football season.

They were led by sixth-year head coach Bobby Lamb and played their home games at the Five Star Stadium in Macon, Georgia.

Mercer finished the season 5–6 overall and 4–4 in SoCon play to place in a three-way tie for fifth.

The SoCon released their preseason media poll on July 25, 2018, with the Bears predicted to finish in fourth place.

[1] The same day the coaches released their preseason poll with the Bears predicted to finish in sixth place.