The 1918 Michigan Agricultural Aggies football team represented Michigan Agricultural College (MAC) as an independent during the 1918 college football season. In their first year under head coach George Gauthier, the Aggies compiled a 4–3 record and outscored their opponents 133 to 69.

The 1918 college football season was a season of college football in the United States. There was no consensus champion, with the Official NCAA Division I Football Records Book listing Michigan and Pittsburgh as national champions.