| Sebastian Dietz | |
| Headercolor: | yellow |
| Nationality: | German |
| Birth Date: | 25 February 1985 |
| Birth Place: | Worms, Germany |
| Coach: | Willi Gernemann (national) Alexander Holstein (personal) |
| Club: | BSG Bad Oeynhausen |
| Country: | Germany |
| Sport: | Athletics |
| Disability: | Acquired |
| Disability Class: | F36 |
| Show-Medals: | yes |
Sebastian Ernst Klaus Dietz (born 25 February 1985) is a German track and field athlete who competes in disability athletics in the F36 category.[1] Dietz specializes in both the discus and shot put, winning a gold medal in the former at the 2012 Summer Paralympics in London.[2] As well as achieving Paralympic success Dietz has also won gold in his classification in both discus and shot put at the IPC World Championships.[2]