| Birth Place: | , Zwickau, East Germany |
| Height: | 170 cm |
| Weight: | 69 kg |
| Sport: | Canoe slalom |
| Club: | SC DHfK, Leipzig |
| Show-Medals: | yes |
Reinhard Eiben (born 4 December 1951) is a retired East German slalom canoeist who won an individual gold medal at the 1972 Olympics.[1] He won two more gold medals at the world championships, in the C-1 event in 1973 and in the C-1 team event in 1977.