| Birth Date: | 13 March 1888 |
| Birth Place: | Uppsala, Sweden |
| Death Date: | 13 December 1966 (aged 78) |
| Death Place: | Gävle, Sweden |
| Sport: | Athletics |
| Event: | 800–5000 m |
| Club: | IFK Gävle |
| Pb: | 800 m – 2:01.8 (1917) 1500 m – 4:05.3 (1913) Mile – 4:25.1 (1913) 5000 m – 15:26.3 (1917) |
| Show-Medals: | yes |
Nils Frykberg (13 March 1888 – 13 December 1966) was a Swedish runner who competed in the 1912 Summer Olympics.[1] He was part of the Swedish 3000 m race team that won a silver medal. Individually he was eliminated in the first round of the 1500 me competition.