| Siegfried Mehnert | |
| Fullname: | Siegfried Mehnert |
| Weight Class: | Welterweight |
| Club: | SV Halle, Halle an der Saale |
| Birth Date: | 1963 3, df=y |
| Birth Place: | Schenkenberg, Bezirk Leipzig, East Germany |
| Weight: | 68kg (150lb) |
Siegfried Mehnert (born 3 March 1963 in Schenkenberg, Delitzsch, Bezirk Leipzig) is a former amateur boxer from East Germany. He is best known for twice winning the European title (1985 and 1989) in the men's welterweight (– 67 kg) division. He also competed at the 1988 Seoul Olympics.
Below is the Olympic record of Siegfried Mehnert, an East German welterweight boxer who competed at the 1988 Olympics in Seoul.