| Birth Date: | 18 October 1889 |
| Birth Place: | Drängsered, Sweden |
| Death Date: | 16 November 1968 (aged 79) |
| Death Place: | Vånga, Sweden |
| Sport: | Gymnastics |
| Club: | Göteborgs GF |
| Show-Medals: | yes |
Carl Adolf Hjalmar Bertilsson (18 October 1889 – 16 November 1968) was a Swedish gymnast who competed in the 1908 Summer Olympics. He was a member of the Swedish team that won the all-around gold medal.[1]