Broadstone or Broad Stone may refer to:
- Broadstone, Dublin, an inner city area of Dublin, Ireland
- Broadstone Station, a former railway station and current LUAS station in the Dublin suburb
- Broadstone railway works, a former railway workshop surrounding the station now used as bus garages
- Broadstone, Dorset, a suburb of Poole in Dorset, England
- Broadstone (Dorset) railway station, a disused station in Dorset
- Broadstone (ward), a ward in Dorset
- Broadstone (Somerset) railway station, a disused station in Somerset
- Broadstone, Kent
- Broadstone, Shropshire
- Broadstone, Monmouthshire
- Broadstone, North Ayrshire Site of an old castle and barony
- Broad Stone (County Antrim), or Craigs Dolmen, a megalthic monument and archaeological site in Northern Ireland
- Marion Broadstone (1906–1972), American football player