Universities
O
| Name | Category | Notes |
|---|---|---|
| Open University | Other UK university | |
| Oriel College | Oxford | |
| Otago, University of | Overseas | Dunedin, Otago, New Zealand. |
| Owens College | Higher education college | Affiliate of Victoria University in 1880, then merged with it in 1904 to form Victoria University of Manchester. |
| Oxford Brookes University | Other UK university | Oxford Polytechnic until 1992. |
| Oxford Polytechnic | Polytechnic | Oxford Brookes University after 1992. |