The Dorset History Centre (formerly Dorset Record Office) is the archive service for the county of Dorset, England. It collects, stores, preserves and makes available documents relating to the history of Dorset. It is a local authority archive service, run by Dorset County Council and jointly funded by Dorset County Council, Bournemouth Borough Council and the Borough of Poole, serving all three authorities. The oldest document in the archives is from 965 AD.