Between some Oxford and Cambridge Colleges there are alliances or twinning arrangements. The extent of the arrangement differs from case to case. For instance, some enable members of one college to book guest-rooms at the other college in the partnership.
| Oxford | Cambridge |
|---|---|
| Wadham College | Christ's College |
| Trinity College | Churchill College |
| Oriel College | Clare College |
| St Hugh's College | (ditto) |
| St Cross College | Clare Hall |
| Corpus Christi College | Corpus Christi College |
| Wolfson College | Darwin College |
| Lincoln College | Downing College |
| Exeter College | Emmanuel College |
| St Edmund Hall | Fitzwilliam College |
| Somerville College | Girton College |
| Brasenose College | Gonville & Caius College |
| Mansfield College | Homerton College |
| (not known) | Hughes Hall |
| Jesus College | Jesus College |
| New College | King's College |
| (not known) | Lucy Cavendish College |
| Magdalen College | Magdalene College |
| St Anne's College | New Hall |
| Lady Margaret Hall | Newnham College |
| Queen's College | Pembroke College |
| Merton College | Peterhouse |
| Pembroke College | Queens' College |
| St Catherine's College | Robinson College |
| Worcester College | St Catharine's College |
| Green College | St Edmund's College |
| Balliol College | St John's College |
| Keble College | Selwyn College |
| St John's College | Sidney Sussex College |
| Christ Church | Trinity College |
| University College | Trinity Hall |
| All Souls College | (ditto) |
| Linacre College | Wolfson College |
| Blackfriars | (not known) |
| Campion Hall | (not known) |
| Greyfriars | (not known) |
| Harris Manchester College | (not known) |
| Hertford College | (not known) |
| Kellogg College | (not known) |
| Nuffield College | (not known) |
| Regent's Park College | (not known) |
| St Antony's College | (not known) |
| St Benet's Hall | (not known) |
| St Hilda's College | (not known) |
| St Peter's College | (not known) |
| Templeton College | (not known) |
| Wycliffe Hall | (not known) |