| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S Olaf Trygvesøn | 1870 | Norway | ||
| M/S Olafur Sigurdsson | 1965 | Norway | ||
| M/S Olagutt | 1986 | Norway | ||
| M/S Ola-Maria | 1948 | Norway | ||
| M/T Olanda | 1971 | Norway | ||
| M/S Ola Nordmann | 1953 | Norway | ||
| M/S Olaug | 1959 | Norway | ||
| Bark Olaus | 1856 | Norway | ||
| Jernfullrigger Olav | 1880 | Norway | ||
| M/S Olava | 1952 | Norway | ||
| D/S Olava | 1864 | Norway | ||
| D/S Olava | 1893 | Norway | Requisitioned/confiscated by Axis power, 1945-1-? | |
| Fullrigger Olava Peternelle | 1811 | Norway | ||
| M/S Olav Bakke | 1945 | Norway | ||
| M/S Olav Duun | 1969 | Norway | ||
| M/S Olav Duun I | 1969 | Norway | ||
| M/S Olav Kyrre | 1958 | Norway | ||
| Brigg Olav Kyrre | 1866 | Norway | ||
| M/K Olav Kyrre | Unknown | Norway | ||
| M/B Olav (M 73 V) | 1894 | Norway | ||
| M/S Olav Ringdal | 1965 | Norway | ||
| M/S Olav Ringdal | 1971 | Norway | ||
| M/S Olav Ringdal Jr | 1952 | Norway | ||
| M/T Olav Ringdal Jr. | 1948 | Norway | ||
| M/S Olavsbussen | 1974 | Norway |