We have so far registered 92,376 seafarers
| Name | Born | Place of birth (place of living shown if missing) | | Ole Hartvig Olsen | October 5, 1916 | Born in Skien | |
| Ole Thoralf Olsen | May 2, 1897 | Born in Kragerø | |
| Oskar Olsen | January 6, 1891 | Born in Solum | |
| Reidar Olsen | July 31, 1912 | Lived in Skotfoss | |
| Reidar Olsen | March 13, 1902 | Born in Solum | |
| Rolf Cato Olsen | May 13, 1916 | Born in Gjerpen | |
| Samuel Olsen | December 15, 1907 | Born in Stathelle | |
| Sigurd Olsen | August 27, 1918 | Born in Brevik | |
| Sigurd Anker Olsen | September 26, 1918 | Born in Skien | |
| Lars Olsen Stenbakken | November 24, 1896 | Born in Skåtøy, Kragerø | |
| Terjer Olsen | July 28, 1921 | Born in Brevik | |
| Thorbjørn Olsen | April 7, 1920 | Born in Porsgrunn | |
| Thorleif Anker Olsen | January 20, 1918 | Born in Bamble | |
| Thorleif Rein Olsen | August 7, 1906 | Born in Stavanger | |
| Thorvald J. Olsen | April 4, 1903 | Lived in Bamble | |
| Tomas Andreas Smedsvig Olsen | October 26, 1905 | Born in Larvik | |
| Trygve Steen Olsen | November 9, 1910 | Born in Skien | |
| Wilhelm Olsen | January 9, 1912 | Born in Bamble | |
| Odd Martinius Omsland | February 3, 1911 | Born in Brunlanes | |
| Gustav William Oppnes (Olsen) | April 17, 1905 | Born in Porsgrunn | |
| Olaf Halvorsen Opran | January 21, 1900 | Born in Kviteseid | |
| Gunnar Gjerulf Orenes | October 5, 1894 | Born in Eidanger | |
| Karl Magnus Osberg | February 19, 1906 | Born in Skåtøy | |
| Harald Osdalen | May 19, 1921 | Born in Holla | |
| Halvdan Sigurd Osnes | August 3, 1891 | Born in Arendal | |