| 1921 Chicago Staleys season | |
|---|---|
| Head coach | George Halas |
| Home field | Staley Field, Cubs Park |
| Results | |
| Record | 9–1–1 APFA (10–1–1 Overall) |
| League place | 1st APFA |
The 1921 Chicago Staleys season was their second regular season completed in the young American Professional Football Association. All games were played at home. The team improved on their 10–1–2 record from 1920 to a 9–1–1 record under head coach/player George Halas earning them a first-place finish in the team standings and their first league championship — the best finish of the initial Halas era.