The 2015 Ball State Cardinals football team represented Ball State University in the 2015 NCAA Division I FBS football season.

They were led by fifth-year head coach Pete Lembo and played their home games at Scheumann Stadium.

They were a member of the West Division of the Mid-American Conference.

They finished the season 3–9, 2–6 in MAC play to finish in fifth place in the West Division.

This college football 2010s season article is a stub.