| Birth Date: | 10 March 1910 |
| Birth Place: | Munich, German Empire |
| Death Place: | Munich, West Germany |
| Sport: | Water polo |
Josef Hauser (10 March 1910 – 10 August 1981) 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 all seven matches.