| Ship Name | Year | Builder | D / H / P |
| Ocean | 1834 | William Bowlt, Gateshead | D / H |
| Ocean Bride | 1844 | Jarrow (unspecified builder) | D / H |
| Ocean Bride | 1853 | TD Marshall, South Shields | D / H |
| Ocean Bride | 1857 | Gateshead (unspecified builder) | D / H |
| Old Quay | 1907 | JP Rennoldson & Sons, South Shields | D / H / P |
| Old Trafford | 1907 | JT Eltringham & Co, South Shields | D / H / P |
| Olga | 1879 | Wouldhave & Johnston, North Shields | D / H |
| Olive | 1843 | W & T Nelson, St Peters Quay, Newcastle | D / H |
| Olive | 1846 | W & T Nelson, St Peters Quay, Newcastle | D / H |
| Olive | 1848 | John Elliott, St Lawrence, Newcastle | D / H |
| Olive | 1876 | South Shields (unspecified builder) | |
| Olive Branch | 1857 | North Shields (unspecified builder) | D / H |
| Olympia | 1911 | JT Eltringham & Co, South Shields | D / H / P |
| Omonoria | 1879 | Wouldhave & Johnson, North Shields | D / H |
| Onega | 1851 | South Shields (unspecified builder) | D / H |
| Onward | 1860 | W Nelson, North Shore, Newcastle | D / H |
| Onyx | 1847 | T Anderson, North Shields | D / H |
| Orcadia | 1868 | Readhead, Softley & Co, South Shields | D / H / P |
| Orient | 1856 | R & R Stobbs, Coble Dene, North Shields | D / H |
| Orient | 1859 | J Dowey, North Shields | D / H |
| Orient | 1866 | Tyne (unspecified builder) | D / H |
| Orkan | 1959 | T Mitchison, Friar's Goose, Gateshead | D / H / P |
| Oscar | 1867 | Readhead, Softley & Co, South Shields | D / H |
| Oscar | 1876 | Not Tyne Built | D / H / P |
| Oscar D Bennett | 1912 | JP Rennoldson & Sons, South Shields | D / H |
| Ospray | 1863 | North Shields (unspecified builder) | D / H |
| Ospray | 1866 | North Shields (unspecified builder) | D / H |
| Osprey Boxer | 2010 | Not Tyne Built | D / H / P |
| Osprey Fearless | 1997 | Not Tyne Built | D / H / P |
| Osprey Fighter | 2007 | Not Tyne Built | D / H / P |
| Ossian | 1857 | Richard Stobbs & Co, North Shields | D / H |
| Outka | 1872 | C Mitchell & Co, Low Walker | D / H |
| Overgarth | 1907 | Not Tyne Built | D / H / P |
| Ovington | 1838 | John Elliott, North Shields | D / H |
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