Leif Martinsen
| full name | Leif Walther Martinsen | |
| nationality | Norway (NOR) | |
| born | March 1921 | in unknown |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
| WCh Allround | 0 | 0 | 0 | 0 | 0 | 1 |
 ECh Allround | 0 | 0 | 0 | 0 | 1 | 1 |
Championships - Results
| year | position | championship | place | |
| 1947 | NC18 | WCh Allround | Oslo | NOR |
| 9 | ECh Allround | Stockholm | SWE | |
