| 1921 Philadelphia Athletics | |
|---|---|
| League | American League |
| Ballpark | Shibe Park |
| City | Philadelphia |
| Owners | Connie Mack, Benjamin Shibe, Tom Shibe and John Shibe |
| Managers | Connie Mack |
The 1921 Philadelphia Athletics season involved the A's finishing eighth in the American League for the seventh time in a row with a record of 53 wins and 100 losses.