The 1990 Western Michigan Broncos football team represented Western Michigan University in the Mid-American Conference (MAC) during the 1990 NCAA Division I-A football season. In their fourth season under head coach Al Molde, the Broncos compiled a 7–4 record (5–3 against MAC opponents), finished in third place in the MAC, and outscored their opponents, 249 to 218. The team played its home games at Waldo Stadium in Kalamazoo, Michigan.