Ro-Ro carrier O |
| Change type | 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 | 0-9 |
| ID | Name | Built | Flag | IMO | ENI | Type | CA | SC | M | C |
| 2953 | O Shea Express | 1970 | |
7011462 | N/A | Ro-Ro carrier | SC | C |
| 2954 | Obbola | 1996 |  |
9087350 | N/A | freight ferry |
| 2955 | Oberon | 2008 | |
9377509 | N/A | Ro-Ro carrier |
| 2956 | Ocean Highway | 2000 |  |
9205988 | N/A | Ro-Ro carrier |
| 7334 | Ocean Legacy | 2026 |  |
1022160 | N/A | Ro-Ro carrier |
| 2957 | Olivia | 1982 |  |
7925273 | N/A | Ro-Ro carrier | SC |
| 2958 | Olympian Highway | 1995 | |
9082324 | N/A | Ro-Ro carrier |
| 2959 | Opal Leader | 2007 | |
9318498 | N/A | Ro-Ro carrier |
| 2961 | Opaline | 2010 |  |
9424869 | N/A | freight ferry |
| 2962 | Oregon Highway | 2007 | |
9381665 | N/A | Ro-Ro carrier |
| 2963 | Orion Diamond | 1982 |  |
8125844 | N/A | Ro-Ro carrier | SC |
| 2964 | Orion Leader | 1999 | |
9182289 | N/A | Ro-Ro carrier |
| 4228 | Ortviken | 1996 | |
9087374 | N/A | freight ferry |
| 2965 | Ostend Way | 1980 | |
7816501 | N/A | freight ferry |
| 2966 | Ostrand | 1996 | |
9087362 | N/A | freight ferry |
| 2967 | Otello | 1992 | |
8919934 | N/A | Ro-Ro carrier |
| 2968 | Otello | 2006 | |
9316141 | N/A | Ro-Ro carrier |
| Change type | 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 | 0-9 |