| Competition: | Allsvenskan |
| Season: | 1956–57 |
| Winners: | IFK Norrköping |
| Relegated: | Västerås SK Hammarby IF |
| Continentalcup1: | European Cup |
| Continentalcup1 Qualifiers: | IFK Norrköping |
| League Topscorer: | Harry Bild, IFK Norrköping (19) |
| Average Attendance: | 11,404 |
| Prevseason: | 1955–56 |
| Nextseason: | 1957–58 |
Statistics of Allsvenskan in season 1956/1957.
The league was contested by 12 teams, with IFK Norrköping winning the championship.