| Reidar Karlsen | |
| Birth Date: | 4 January 1911 |
| Nationalteam1: | Norway |
| Nationalyears1: | 1932 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Reidar Karlsen (4 January 1911 - 21 June 1996) was a Norwegian footballer.[1] He played in one match for the Norway national football team in 1932.[2]