| Name | Born | Place of birth (place of living shown if missing) | |
|---|---|---|---|
| Edvin Ludvik Olsen | Lived in Kristiansund | ||
| H. Olsen | Lived in Fredrikstad | ||
| Harald Olsen | Lived in Stavanger | ||
| Harald Olsen | Lived in Bergen | ||
| Hendrik Severin Olsen | July 10, 1893 | Born in Risør | |
| Henry Elias Olsen | Lived in Haugesund | ||
| Herman Lorentz M. Olsen | October 30, 1876 | Lived in Bergen | |
| Jacob Olsen | 1891 | Lived in Trondheim | |
| J. Falck Olsen | Lived in Bergen | ||
| Johan Olsen | Lived in Fredrikstad | ||
| Johan Olsen | 1855 | Lived in Bergen | |
| Johan K. Olsen | Lived in Asker | ||
| Johannes Olsen | Lived in Vadsø | ||
| Johan Peter Olsen | Lived in Kristiansand | ||
| Johan S. Olsen | Lived in Bergen | ||
| Bjarne Olsen Lillebø | Lived in Bergen | ||
| Nils Olsen | December 12, 1869 | Born in Dypvaag (Flosta) | |
| Nils Johan Olsen | September 21, 1856 | Born in Dypvåg | |
| Olaf Olsen | Lived in Fredrikstad | ||
| Ole Kristian Olsen | May 13, 1894 | Lived in Åkerøya | |
| Oluf Olsen | Lived in Oslo | ||
| Oluf M. Olsen | Lived in Drammen | ||
| Oscar Olsen | September 3, 1896 | Lived in Arendal | |
| Oscar Olsen | Lived in Drammen | ||
| Otto Laurensius Olsen | Lived in Tjøme |