| Karl Martitsch | |
| Nationality: | Austrian |
| Sport: | Cross-country skiing |
| Birth Date: | 19 November 1917 |
| Birth Place: | Kärnten, Austria-Hungary |
| Death Place: | Toronto, Ontario, Canada |
Karl Martitsch (19 November 1917 - 20 August 2000) was an Austrian cross-country skier. He competed in the men's 18 kilometre event at the 1948 Winter Olympics.[1]