| Competition: | Allsvenskan |
| Season: | 1939–40 |
| Winners: | IF Elfsborg |
| Relegated: | Örgryte IS Hammarby IF |
| League Topscorer: | Anders Pålsson, Hälsingborgs IF (17) |
| Average Attendance: | 5,498 |
| Prevseason: | 1938–39 |
| Nextseason: | 1940–41 |
Statistics of Allsvenskan in season 1939/1940.
The league was contested by 12 teams, with IF Elfsborg winning the championship.