1921 Navy Midshipmen football team

The 1921 Navy Midshipmen football team represented the United States Naval Academy during the 1921 college football season. In their second season under head coach Bob Folwell, the Midshipmen compiled a 6–1 record, shut out six opponents, and outscored all opponents by a combined score of 147–13.

The annual Army–Navy Game was played on November 26 at the Polo Grounds in New York City; Navy won 7–0.