| Dietmar Geilich | |
| Nationality: | East German |
| Birth Date: | 16 June 1954 |
| Height: | 158 cm |
| Weight: | 48 kg |
Dietmar Geilich is an East German Olympic boxer. He represented his country in the light-flyweight division at the 1976 Summer Olympics, as well as the 1980 Summer Olympics. He lost his first match against Armando Guevara in 1976. In 1980, he defeated Birender Singh Thapa in his first match, defeated Pedro Manuel Nieves in his second, and then lost to Shamil Sabirov, the eventual gold medalist, in his third bout.[1]