| 1921 Massachusetts Aggies football | |
|---|---|
| Conference | Athletic League of New England State Colleges |
| 1921 record | 3–4–1 ( ) |
| Head coach | Harold Gore (3rd season) |
| Home stadium | Alumni Field |
The 1921 Massachusetts Aggies football team represented Massachusetts Agricultural College in the 1921 college football season. The team was coached by Harold Gore and played its home games at Alumni Field in Amherst, Massachusetts. Massachusetts finished the season with a record of 3–4–1.