| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Jón Ingi•Guðmundsson | |
| Used name | Jón Ingi•Guðmundsson | |
| Born | 16 September 1909 in Patreksfjörður, Vestfirðir |  ISL |
| Died | 5 May 1989 (aged 79 years 7 months 19 days) in Reykjavík, Höfuðborgarsvæði | ISL |
| NOC | Iceland | ISL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Water Polo (Aquatics) | ISL |
Jón Ingi Guðmundsson | |||
| Water Polo, Men (Olympic) | Iceland | =13 |
