1940 Mississippi State Maroons football team

The 1940 Mississippi State Maroons football team was an American football team that represented Mississippi State College (now known as Mississippi State University) as a member of the Southeastern Conference (SEC) during the 1940 college football season. In their second year under head coach Allyn McKeen, the Maroons complied an overall record of 10–0–1, with a conference record of 4–0–1, and finished second in the SEC. This was Mississippi State's only undefeated season.

End Buddy Elrod was named SEC "Player of the Year" by the Nashville Banner and was selected to several All-America teams.