Ivar Mathisen
| Medal record | ||
|---|---|---|
| Men's canoe sprint | ||
| Olympic Games | ||
| 1948 London | K-2 10000 m | |
| World Championships | ||
| 1948 London | K-1 4 x 500 m | |
| 1950 Copenhagen | K-2 1000 m | |
Ivar Mathisen (14 June 1920 – 7 October 2008) was a Norwegian sprint canoeist who competed in the 1940s and early 1950s. He received a silver medal in the K-2 10000 m event at the 1948 Summer Olympics in London with Knut Østby. Mathisen finished fourth in the K-2 1000 m event at those same games.