| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Karl Mattis•Næss | |
| Used name | Mattis•Næss | |
| Born | 18 May 1973 in Bærum, Viken |  NOR |
| Measurements | 195 cm / 90 kg | |
| Affiliations | Bærum KK — Bærum, Viken | NOR |
| NOC | Norway | NOR |
Mattis Næss had the following podium finishes at the Flatwater World Championships: 3rd 2005 K2 1000 m (with Jacob Norenberg).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1996 Summer Olympics | Canoe Sprint (Canoeing) | NOR |
Mattis Næss | |||
| Kayak Fours (K4), 1,000 metres, Men (Olympic) | Norway | 4 h2 r2/3 | ||||
| 2004 Summer Olympics | Canoe Sprint (Canoeing) | NOR |
Mattis Næss | |||
| Kayak Fours (K4), 1,000 metres, Men (Olympic) | Norway | 5 |
