Oberon
| Name | Builder | launch | Comm | DeComm | fate |
|---|---|---|---|---|---|
| United Kingdom | |||||
| Oberon | Chatham Dockyard | 18 Jul 1959 | Feb 1961 | 1987 | Sold |
| Odin | 04 Nov 1960 | May 1962 | 1991 | Broken Up | |
| Orpheus | 17 Nov 1959 | Nov 1960 | 1987 | Harbour Service, Broken Up 1994 | |
| Olympus | 14 Jun 1961 | Jul 1962 | 1989 | To Canada | |
| Osiris | 29 Nov 1962 | Jan 1964 | 1993 | Broken Up | |
| Onslaught | Chatham Dockyard | 24 Sep 1960 | Aug 1962 | 1991 | Broken Up |
| Otter | 15 May 1960 | Aug 1962 | 1992 | Sold | |
| Oracle | 26 Sep 1961 | Feb 1963 | 1992 | Sold | |
| Otus | 17 Oct 1962 | Oct 1963 | 1992 | Sold | |
| Ocelot | Chatham Dockyard | 05 May 1962 | Jan 1964 | 1992 | Preserved |
| Opossum | 23 May 1963 | Jun 1964 | 1994 | For Disposal | |
| Opportune | 14 Feb 1964 | Dec 1964 | 1992 | Sold | |
| Onyx (ii) | 18 Aug 1966 | Dec 1967 | 1991 | decomissioned, given to Barrow in Furness | |
| Canada | |||||
| Ojibwa | Sep 1965 | ||||
| Onondaga | Jun 1967 | ||||
| Okanagan | Jun 1968 | ||||
| Australia | |||||
| Oxley | Apr 1967 | ||||
| Otway | Apr 1968 | ||||
| Onslow | Dec 1969 | ||||
| Ovens | Apr 1969 | ||||
| Orion | Jun 1977 | ||||
| Otama | Apr 1978 | ||||
| Brazil | |||||
| Humaita | June 1973 | ||||
| Tonelero | Dec 1977 | ||||
| Riachuelo | Mar 1977 | ||||
| Chile | |||||
| O'Brien | Apr 1976 | ||||
| Hyatt | Sep 1976 | ||||
|
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