The 2018 Western Michigan Broncos football team represented Western Michigan University (WMU) in the 2018 NCAA Division I FBS football season.

They were led by second-year head coach Tim Lester and played their home games at Waldo Stadium as a member of the West Division of the Mid-American Conference.

They were invited to the Famous Idaho Potato Bowl where they lost to BYU.

Listed in the order that they were released The MAC released their preseason media poll on July 24, 2018, with the Broncos predicted to finish in third place in the West Division.

This college football 2010s season article is a stub.