| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Ivan Prokofyevich•Semyonov |
| Used name | Ivan•Semyonov |
| Original name | Иван Прокофьевич•Семёнов |
| Born | 25 January 1936 |
| Measurements | 173 cm / 67 kg |
| NOC |  Soviet Union |
| Nationality |  Russian Federation |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | Nationality | As | |
|---|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Equestrian Jumping (Equestrian) | URS |
RUS |
Ivan Semyonov | |||
| Individual, Open (Olympic) | Sibiryak | 28 | |||||
| Team, Open (Olympic) | Sibiryak / Soviet Union | 11 |
