Full name: Hendrikus Zacharias "Hennie" Keetelaar
Gender: Male
Born: January 23, 1927 in Hilversum, Noord-Holland, Netherlands
Died: January 28, 2002 in Alphen aan den Rijn, Zuid-Holland, Netherlands
Affiliations: HZC de Robben, Hilversum (NED)
Country:
Netherlands
Sport: Water Polo
Medals: 1 Bronze (1 Total)
| Games | Age | City | Sport | Event | Team | NOC | Rank | Medal | |
|---|---|---|---|---|---|---|---|---|---|
| 1948 Summer | 21 | London | Water Polo | Men's Water Polo | Netherlands | NED | 3 | Bronze |
| Games | Age | City | Sport | Team | NOC | Phase | Unit | Rank | Date | Result | G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1948 Summer | 21 | London | Water Polo | Netherlands | NED | Group B | Match #1 | 1 | 1948-08-02 | NED 5, ESP 2 | 0 |
| 1948 Summer | 21 | London | Water Polo | Netherlands | NED | Group C | Match #1 | 1 | 1948-07-30 | NED 12, IND 1 | 0 |