| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Kari Seppo Juhani•Markkanen | 
| Used name | Kari•Markkanen | 
| Nick/petnames | Jussa | 
| Born | 8 January 1952 in Espoo, Uusimaa (FIN) | 
| Measurements | 186 cm / 78-80 kg | 
| NOC |   Finland | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Canoe Sprint (Canoeing) |  FIN | 
Kari Markkanen | |||
| Kayak Fours, 1,000 metres, Men (Olympic) | Finland | 7 | ||||
| 1976 Summer Olympics | Canoe Sprint (Canoeing) |  FIN | 
Kari Markkanen | |||
| Kayak Doubles, 500 metres, Men (Olympic) | Hannu Kojo | 6 |