| Birth Date: | 6 July 1927 |
| Birth Place: | Amsterdam, the Netherlands |
| Death Date: | 25 January 2005 (aged 77) |
| Death Place: | Hobart, Tasmania, Australia |
| Sport: | Water polo |
| Club: | HZC de Robben, Hilversum |
Johannes "Joop" Jacobus Rohner (6 July 1927 – 25 January 2005) was a Dutch water polo goalkeeper who won a bronze medal at the 1948 Summer Olympics.[1]