| Birth Date: | 6 June 1890 |
| Birth Place: | Spandau, German Empire |
| Death Place: | West Berlin, West Germany |
Paul Kellner (June 6, 1890 - April 3, 1972) was a German backstroke swimmer, who competed in the 1912 Summer Olympics. He was born in Spandau and died in West Berlin. Kellner participated in only one event and won the bronze medal in the 100 metre backstroke competition.[1]