Leif Olav Moen
- Category : 1928-births
- Type : MGE
- Profile : 5/1 - Heretical / Investigator
- Definition : Split - Small (19)
- Incarnation Cross : LAX Defiance 1
Norwegian architect and professor at the Norwegian Institute of Technology from 1971. In 1957 he set up his own architect's firm.
Moen died on 1 July 1986 in Oslo, Norway, aged 58.