| Birth Date: | 22 July 1930 |
| Birth Place: | Nuoro, Italy |
| Death Place: | Bracciano, Italy |
| Height: | 1.62m (05.31feet) |
| Weight: | 59–60 kg |
| Sport: | Weightlifting |
| Club: | Polisportiva Gennargentu, Nuoro G.S. Fiamme Oro, Roma |
| Show-Medals: | yes |
Sebastiano Mannironi (22 July 1930 - 11 June 2015) was an Italian weightlifter who competed at the 1956, 1960 and 1964 Summer Olympics; he won a bronze medal in 1960 and finished fifth in 1964.[1] Between 1953 and 1966 Mannironi won 14 medals at European and World Championships, including a gold at the 1961 European Championships, and set one world record, in the snatch in 1958.[1] [2]