| Birth Place: | Västervik, Sweden |
| Death Place: | Västerås, Sweden |
| Height: | 1.82m (05.97feet) |
| Weight: | 70kg (150lb) |
| Sport: | Athletics |
| Event: | 100–400 m |
| Club: | IF Udd SoIK Hellas Bromma IF |
| Pb: | 100 m – 10.9 200 m – 21.9 (1960) 400 m – 47.6 (1959) |
| Show-Medals: | yes |
Helge Lennart Jonsson (11 June 1933 – 1 September 2023) was a Swedish sprinter. He competed in the 200 m and 4 × 400 m relay events at the 1960 Summer Olympics, but failed to reach the finals. He won a bronze medal in the relay at the 1958 European Athletics Championships, as well as the national titles in the 400 m (1959) and 4 × 400 m relay (1958 and 1959). After retiring from competitions he was treasurer of the Swedish Athletics Association for many years. Jonsson died in Västerås on 1 September 2023, aged 90.[1]