Holywell Manor is a historic building in central Oxford, England, in the parish of Holywell. It currently houses some of Balliol College's postgraduate student population. It is on the corner of Manor Road and St Cross Road, next to St Cross Church, which has become the Balliol College Historic Collections Centre.

Balliol College is a constituent college of the University of Oxford. Founded in 1263 by John I de Balliol, it has a claim to be the oldest college in Oxford and the English-speaking world.