- OldhamA town and metropolitan borough in Greater Manchester, England, United Kingdom (OS grid ref SD922053).
- auldOld.
- OldfieldA hamlet in Keighley parish, Metropolitan Borough of Bradford, West Yorkshire, England (OS grid ref SE0037).
- AldgateAn area and ward within the City of London, Greater London, England (OS grid ref TQ3381).
- OultonA hamlet in Allerdale borough, Cumbria, England (OS grid ref NY2450).
- AllportA habitational surname from Old English.
- AldeburghA coastal town and civil parish with a town council in East Suffolk district, Suffolk, England (OS grid ref TM4656).
- AldboroughA village in Aldborough and Thurgarton parish, North Norfolk district, Norfolk, England (OS grid ref TG1834).
- aaldold.
- AldbroughA village and civil parish in the East Riding of Yorkshire, England (OS grid ref TA2438).
- AldburyA village and civil parish in Dacorum district, Hertfordshire, England (OS grid ref SP9612).
- Aldcliffea hamlet near Lancaster in Lancashire, England.
- All CanningsA village and civil parish east of Devizes, Wiltshire, England (OS grid ref SU0761).
- OldknowA surname from Old English.