| OASE | 02332936 |  |
| OBI | 06002249 |  |
| OCARINA | 06003213 | |
| OCEAN | 2327056 | |
| OCEAN | 02332734 | |
| OCTOPUS | 02325791 | |
| ODEON | 02332317 |  |
| ODINA | 02319190 | |
| ODISEG | 02332309 | |
| ODYSSEUS | 06001712 | |
| OLAKO | 02315285 | |
| OLEANDER | 02327017 | |
| OLESIA | 02325908 | |
| OLGA CAROLINE | 02336914 |  |
| OLI-CHRIS | 06004224 | |
| OLIEVINKER II | 6004013 | |
| OLIWIA | 02210538 |  |
| OMEGA | 02326785 | |
| OMMOORD | 02338727 | |
| ONDERNEMING | 02325981 | |
| ONDERNEMING IV | 02327341 | |
| ONIX | 058023059 | |
| OORDERDAM | 02324804 | |
| OOSTENWIND | 02332230 | |
| OOSTZEE | 06105206 | |
| OPHIR | 02328856 | |
| ORA ET LABORA | 02326959 | |
| ORA ET LABORA | 02312633 | |
| ORANJE NASSAU | 02329041 | |
| ORANJE NASSAU II | 02331002 | |
| ORANJE NASSAU III | 02330728 | |
| ORCHILA | 02332415 | |
| OREADE | 02316843 | |
| ORGANZA | 02205234 | |
| ORIANA | 02330688 | |
| ORIENT | 02006412 | |
| ORIENTIS | 02322428 | |
| ORINOCO | 06105132 | |
| ORION | 06001971 | |
| ORION | 02323311 | |
| ORIZONTAS | 02327503 | |
| ORKA | 02006897 | |
| ORKA | 2319175 | |
| ORKA | 02006897 | |
| ORTA | 06004115 | |
| ORTELIUS | 06004218 | |
| OSIRIS | 02318730 | |
| OSLO | 06105078 | |
| OSTREA | 02317441 | |
| OSTWIND | 02103336 | |
| OTD.ALPHA | 02329682 | |
| OTHELLO | 02332309 | |
| OTTER | 02331441 | |
| OTTO | 02104699 | |
| OXFORD | 06105018 | |