| All-Ireland Champions | |
|---|---|
| Winning team | Cavan (4th win) |
| Provincial Champions | |
| Munster | Kerry |
| Leinster | Louth |
| Ulster | Cavan |
| Connacht | Mayo |
| Championship statistics | |
|
← 1947
1949 →
|
|
The 1948 All-Ireland Senior Football Championship was the 62nd staging of Ireland's premier Gaelic football knock-out competition.
Cavan won their second title in a row.