| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Jan Jacob•Kieft |
| Used name | Jan•Kieft |
| Born | 25 January 1877 in Amsterdam, Noord-Holland (NED) |
| Died | 2 April 1946 (aged 69 years 2 months 8 days) in Rotterdam, Zuid-Holland (NED) |
| Measurements | 166 cm |
| Affiliations | Plato, Amsterdam (NED) |
| NOC |  Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1908 Summer Olympics | Artistic Gymnastics (Gymnastics) | NED |
Jan Kieft | |||
| All-Around, Individual, Men (Olympic) | =73 | |||||
| Team, Men (Olympic) | Netherlands | 7 |
