Full name: Johannes Jacobus "Koos" Köhler
Nickname(s): Ko
Gender: Male
Born: November 25, 1905 in Amsterdam, Noord-Holland, Netherlands
Died: February 6, 1965 in Sloten, Noord-Holland, Netherlands
Affiliations: Het Y, Amsterdam (NED)
Country:
Netherlands
Sport: Water Polo
Related Olympians: Cousin of Sjaak Köhler.
| Games | Age | City | Sport | Event | Team | NOC | Rank | Medal | |
|---|---|---|---|---|---|---|---|---|---|
| 1928 Summer | 22 | Amsterdam | Water Polo | Men's Water Polo | Netherlands | NED | 5T |
| Games | Age | City | Sport | Team | NOC | Phase | Unit | Rank | Date | Result | G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1928 Summer | 22 | Amsterdam | Water Polo | Netherlands | NED | Quarter-Finals | Match #2 | 2 | 1928-08-06 | GBR 5, NED 3 | 1 |
| 1928 Summer | 22 | Amsterdam | Water Polo | Netherlands | NED | Round One | Match #4 | 1 | 1928-08-05 | NED 11, SUI 1 | 6 |