| Birth Place: | Malmö, Sweden |
| Sport: | Athletics |
| Event: | High jump, long jump, hurdles |
| Club: | Malmö Allmänna Idrottsförening |
| Pb: | HJ – 1.52 m LJ – 5.53 m 80 mH – 11.5 |
| Show-Medals: | yes |
Stina Cronholm (later Onsö; born 18 April 1936) is a retired Swedish athlete who won national titles in the 80 m hurdles (1953–57) and pentathlon (1953–58). She competed in these event at the 1954 and 1958 European Athletics Championships and placed 16th–18th.