Collection
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| Name | IMO | Flag | Build/Gross | Type | |
| Obolon | 8522195 | RUS | 1985 / 2558 | Fishcarrier / -factory | |
| Olympus | 9016973 | CYP | 1993 / 12413 | Fishcarrier / -factory | |
| Omnya | 8326242 | RUS | 1983 / 1898 | Fishcarrier / -factory | |
| Otto Grotewohl | 7102314 | RUS | 1971 / 8380 | Fishcarrier / -factory | |
| Otto Wickboldt | 8707757 | DEU | 1987 / 1895 | Fishcarrier / -factory | |