| Year: | 1921 |
| Team: | Navy Midshipmen |
| Sport: | football |
| Conference: | Independent |
| Record: | 6–1 |
| Head Coach: | Bob Folwell |
| Hc Year: | 2nd |
| Captain: | Emery Lawson |
| Stadium: | Worden Field |
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
The annual Army–Navy Game was played on November 26 at the Polo Grounds in New York City; Navy