Enlistment district
| Name | Details |
|---|---|
| Fredrik Nielsen | Born September 7, 1872 |
| Niels Nielsen | Born October 15, 1880 in Mandal |
| Ricard Fredrik Wilhelm Nielsen | Born April 15, 1886 in Helsingfors, Finland |
| Gunder Levin Nilsen | Born March 17, 1857 in Fjære |
| Helge Nilsen | Born May 19, 1919 in Spangereid |
| Olav Nilsen | Born December 16, 1913 in Øyslebø |
| Bark Nina | Build year 1856 |
| M/S Nisen | Build year 1963 |
| Bark Nor | Build year 1857 |
| M/S Obelix | Build year 1912 |
| Bark Octavia | Build year 1857 |
| Gustav Oftedal | Born January 26, 1917 in Halse |
| D/S Olaf Kyrre | Build year 1867 |
| Bark Ole Bull | Build year 1870 |
| Gabriel Olsen | Born October 27, 1874 in Grimstad |
| Olaf Albert Olsen | Born July 24, 1887 in Fjære |
| Ole Tobias Olsen | Born July 2, 1864 in Nordre Undal |
| Thoralf Paulin Olsen | Born May 8, 1897 in Mandal |
| Fullrigger Orissa | Build year 1869 |
| Bark Orkney | Build year 1872 |
| Skonnert Oscar | Build year 1846 |
| Bark Oskar | Build year 1872 |
| Brigg Ossian | Build year 1863 |
| Søren Ougland | Born February 17, 1909 in Nord Audnedal |
| Bark Pan | Build year 1859 |