| Birth Date: | 8 March 1929 |
| Birth Place: | Vänersborg, Sweden |
| Death Date: | 16 January 1998 (aged 68) |
| Death Place: | Ed, Sweden |
| Sport: | Athletics |
| Event: | 100 m, long jump |
| Club: | Ödskölts IF |
| Pb: | 100 m – 12.2 (1947) LJ – 5.69 m (1956) |
| Show-Medals: | yes |
Maja Greta Magnusson (8 March 1929 – 16 January 1998) was a Swedish athlete. She competed at the 1952 Summer Olympics in the long jump and 4 × 100 m relay, but failed to reach the finals. She finished fifth-seventh in these events at the 1946 European Athletics Championships. Magnusson won the national long jump title in 1947, 1949, 1952 and 1956.