Dundrum (from Dún Droma, Irish for 'ridge fort') may refer to:
Places
Republic of Ireland
- Dundrum, Dublin, a suburb of Dublin city
- Dundrum, County Tipperary, a village
Northern Ireland
- Dundrum, County Down, a village
- Dundrum Bay, next to the County Down village
- Dundrum, County Armagh, a townland; see List of townlands of County Armagh
Other uses
- Dundrum Castle, in the County Down village
- Dundrum meteorite, fell near the County Tipperary village
- Dundrum Town Centre, a shopping centre in the Dublin suburb