| Birth Date: | 10 October 1915 |
| Birth Place: | Chicago, Illinois, United States |
| Death Date: | 4 July 2003 (aged 87) |
| Death Place: | Årsunda, Sweden |
| Sport: | Athletics |
| Event: | Javelin throw |
| Club: | IFK Växjö |
| Pb: | 72.77 m (1947) |
| Show-Medals: | yes |
Karl Gunnar "Växjö-Pelle" Petersson (10 October 1915 – 4 July 2003) was a Swedish javelin thrower. He competed at the 1948 Summer Olympics and finished in ninth place.