Barnston, as a place, may refer to:

Barnston, Essex, a village and civil parish in Essex, England Barnston, Merseyside, a village in Merseyside, England Barnston Island, British Columbia, Canada Barnston, Quebec, a former township now part of Coaticook, Quebec, Canada Barnston Mount, a mountain in Coaticook, Estrie, Quebec, Canada Barnston Manor in Dorset, England

As a name: see

Barnston (surname)