| Martin Jullum | |
| Birth Date: | 15 June 1988 |
| Headercolor: | lightsteelblue |
Martin Jullum (born 15 June 1988) is a Norwegian orienteer. He's a multiple time world champion in trail orienteering, in both PreO and TempO. He defended his PhD thesis at the Department of Mathematics, University of Oslo in 2016.[1]