Enlistment district
| Name | Details |
|---|---|
| Harry Peder Ohlsen | Born January 19, 1921 in Oslo |
| Olaf Ohnstad | Born November 29, 1904 in Leka |
| M/T Okarina | Build year 1987 |
| M/S Olaf Scheel | Build year 1964 |
| Arve Johannes Olafsen | Born November 19, 1913 in Lillehammer |
| Odd Harry Olafsen | Born March 20, 1918 in Oslo |
| Rolf Olai Olafsen | Born August 8, 1914 in Hamarøy |
| Karl Harry Olausson | Born November 3, 1920 in Borge, Østfold |
| M/S Olav Ringdal | Build year 1965 |
| M/S Olav Ringdal | Build year 1971 |
| M/T Olav Ringdal Jr. | Build year 1948 |
| M/T Olav Trygvason | Build year 1975 |
| D/S Ole Bull | Build year 1943 |
| Even Johannes Olsen | Born September 11, 1921 in Oslo |
| Hans Sten Olsen | Born May 29, 1922 in Oslo |
| Kjerulf (Kenneth) Olsen | Born April 25, 1918 in Kvinnherad |
| Ragnar (Ray) Olsen Kjos | Born December 19, 1903 in Oslo |
| Kristoffer Olai Olsen | Born July 25, 1905 in Tysnes |
| Marinius Olsen | Born April 3, 1891 in Moss |
| Martin Ingvald Olsen | Born November 10, 1876 in Vestre Aker |
| Niels Olsen | Born November 8, 1883 in Larvik |
| Olaf Olsen | Born September 1, 1921 in Oslo |
| Olaf Andreas Olsen | Born November 21, 1888 in Kongsberg |
| Reidar Oliver Olsen | Born April 29, 1906 in Glemmen |
| Reidar Viktor Olsen | Born December 9, 1912 in Oslo |