| Birth Date: | 1967 2, df=y |
| Birth Place: | Heilbronn-Sontheim, Germany |
| Height: | 1.71m (05.61feet) |
| Weight: | 65kg (143lb) |
| Sport: | Artistic gymnastics |
| Club: | Sportverein Leingarten |
| Show-Medals: | yes |
Ralph Kern (born 24 February 1967) is a retired German gymnast. He competed at the 1988 Summer Olympics in all artistic gymnastics events and finished in 12th place with the West German team. His best individual result was 33rd place in the vault.