| Birth Date: | 14 June 1909 |
| Birth Place: | Luleå, Sweden |
| Death Date: | 6 January 2003 (aged 93) |
| Death Place: | Uppsala, Sweden |
| Height: | 1.9m (06.2feet) |
| Weight: | 84kg (185lb) |
| Sport: | Athletics |
| Event: | Decathlon |
| Club: | IFK Luleå |
| Pb: | 6781 (1937) |
| Show-Medals: | yes |
Karl Olof Alfred "Olle" Bexel (14 June 1909 – 6 January 2003) was a Swedish decathlete. He finished seventh at the 1936 Summer Olympics and won a European title in 1938. Bexell was Swedish champion in the pentathlon in 1938 and in the decathlon in 1935–38. He held the national decathlon record from 1937 to 1966.