| Birth Date: | 12 August 1912 |
| Birth Place: | Hanover, German Empire |
| Death Place: | Hanover, Germany |
| Sport: | Water polo |
Bernhard Baier (12 August 1912 – 26 April 2003) was a German water polo player who competed in the 1936 Summer Olympics.
He was part of the German team which won the silver medal. He played six matches including the final.