| Birth Date: | 28 February 1925 |
| Birth Place: | Göteborg, Sweden |
| Death Date: | 17 August 2000 (aged 75) |
| Death Place: | Göteborg, Sweden |
| Height: | 184 cm |
| Weight: | 67 kg |
| Sport: | Athletics |
| Event: | 5000 m – marathon |
| Club: | Örgryte IS, Göteborg |
| Pb: | 5000 m – 14:23.2 (1946) 10000 m – 29:33.4 (1955) Mar – 2:25:08 (1957) |
| Show-Medals: | yes |
John Evert Nyberg (28 February 1925 – 17 August 2000) was a Swedish long-distance runner who won a bronze medal in the 5000 m event at the 1946 European Championships. He competed in the 5000 m at the 1948 Summer Olympics and in the marathon at the 1956 and 1960 Summer Olympics with the best result of eighth place in 1956. He won the Košice Peace Marathon in 1955.
Nyberg won national titles in the 5000 m (1946 and 1956), 10000 m (1955), 25000 m (1955–57 and 1960), 30000 m (1961 and 1962), marathon (1955, 1957, 1962 and 1963) and cross country (1950, 1955 and 1957).