 
| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Karl•Kõiv | 
| Used name | Karl•Kõiv | 
| Born | 3 December 1894 in Tartu, Tartumaa (EST) | 
| Died | 6 August 1974 in Tallinn, Harjumaa (EST) | 
| Measurements | 165 cm / 60 kg | 
| Affiliations | Kalev Tartu, Tartu (EST) | 
| NOC |  Estonia | 
Karl Kõiv had the following podium finishes at major championships: 2nd in the 1922 World Championships Featherweight class.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Weightlifting |  EST | Karl Kõiv | |||
| Featherweight, Men (Olympic) | =7 |