Most of the colleges of the University of Oxford have sister colleges in the University of Cambridge (and vice versa). The extent of the arrangement differs from case to case, but commonly includes the right to invitations to May balls, the right to dine or book accommodation, etc.

OxfordCambridge
Wadham College, OxfordChrist's College, Cambridge
Trinity College, OxfordChurchill College, Cambridge
Oriel College, Oxford

St Hugh's College, Oxford
Clare College, Cambridge
St Cross College, OxfordClare Hall, Cambridge
Corpus Christi College, OxfordCorpus Christi College, Cambridge
Wolfson College, OxfordDarwin College, Cambridge
Lincoln College, OxfordDowning College, Cambridge
Exeter College, OxfordEmmanuel College, Cambridge
St Edmund Hall, OxfordFitzwilliam College, Cambridge
Somerville College, OxfordGirton College, Cambridge
Brasenose College, OxfordGonville & Caius College, Cambridge

Jesus College, OxfordJesus College, Cambridge
New College, OxfordKing's College, Cambridge
Magdalen College, OxfordMagdalene College, Cambridge
St Anne's College, OxfordNew Hall, Cambridge
Lady Margaret Hall, OxfordNewnham College, Cambridge
Queen's College, OxfordPembroke College, Cambridge
Merton College, OxfordPeterhouse, Cambridge
Pembroke College, OxfordQueens' College, Cambridge
St Catherine's College, OxfordRobinson College, Cambridge
Worcester College, OxfordSt Catharine's College, Cambridge
Green College, OxfordSt Edmund's College, Cambridge
Balliol College, OxfordSt John's College, Cambridge
Keble College, OxfordSelwyn College, Cambridge
St John's College, OxfordSidney Sussex College, Cambridge
Christ Church, OxfordTrinity College, Cambridge
University College, Oxford

All Souls' College, Oxford
Trinity Hall, Cambridge
Linacre College, OxfordWolfson College, Cambridge
Harris Manchester College, Oxford
Hertford College, Oxford
Kellogg College, Oxford
Mansfield College, Oxford
Nuffield College, Oxford
St Antony's College, Oxford
St Hilda's College, Oxford
St Peter's College, Oxford
Templeton College, Oxford
Homerton College, Cambridge
Hughes Hall, Cambridge
Lucy Cavendish College, Cambridge

See also: