| Birth Date: | 25 November 1905 |
| Birth Place: | Amsterdam, Netherlands |
| Death Place: | Sloten, Netherlands |
Johannes Jacobus "Koos" Köhler (25 November 1905 – 6 February 1965) was a Dutch water polo player. He competed at the 1928 Summer Olympics, where the Dutch team shared fifth place. Köhler played all three matches, together with his cousin Sjaak, and scored seven goals.