Enlistment district
| Name | Details |
|---|---|
| Torjus Olsen | Born March 3, 1853 in Fjære |
| Torstein Olsen | Born April 12, 1898 in Født |
| Tønnes Andreas Olsen | Born September 13, 1896 in Barbu, Arendal |
| William Olsen | Born May 19, 1896 in Risør |
| Willy Astrup Torp Olsen | Born September 26, 1919 in Saltrød, Arendal |
| Rangvald Georg Omdal | Born July 3, 1897 in Arendal |
| Andreas Omholt | Born April 14, 1919 in Tromøy |
| Bjørn Omholt | Born November 18, 1895 in Tromø |
| Ole Andreas Omholt | Born October 19, 1881 in Fjære sogn |
| Bark Onni | Build year 1864 |
| Jernbark Ophelia | Build year 1863 |
| D/S Opland | Build year 1903 |
| D/S Ora | Build year 1924 |
| D/S Ora | Build year 1915 |
| D/S Ora | Build year 1871 |
| M/T Ora | Build year 1937 |
| D/S Ora II | Build year 1924 |
| Brigg Ora & Labora | Build year 1841 |
| D/S Orania | Build year 1919 |
| D/S Orania | Build year 1952 |
| M/S Orania | Build year 1966 |
| M/T Oranus | Build year 1981 |
| M/T Oranus | Build year 1950 |
| M/T Orator | Build year 1974 |
| M/T Orator | Build year 1980 |