Warden is the title given to or adopted by the heads of some university colleges and other institutions.
It dates back at least to the 13th century at Merton College, Oxford; the original Latin version is custos.
- All Souls College
- Keble College
- Merton College
- New College
- Nuffield College
- Rhodes House
- St Antony's College
- Wadham College
Radley College (unusually, the Warden here is the head master rather than the Chairman of the Council)
Residential colleges at Australian Universities adopt a variety of titles for their heads. Those colleges established by the Anglican Church use the title Warden more commonly, but it is also adopted by colleges established by other denominations and those with no religious affiliation.
- Burton & Garran Hall
- Newcastle University College
- St John's College
- St Paul's College
- St George's College
Examples of holders of this office in fiction occur in the following works; the name of the institution is also given:
- Sylvie and Bruno (Lewis Carroll) (Fairyland or Outland)
- The Warden (Anthony Trollope) (Hiram's Hospital)
- Gaudy Night (Dorothy L. Sayers) (Shrewsbury College, Oxford)
- The Late Scholar (Jill Paton Walsh) (St Severin's College, Oxford)
- Zuleika Dobson (Max Beerbohm) (Judas College, Oxford) (This college name is fictional.)