Headley Water Mill is a water mill used for the milling of flour and situated near the village of Headley on the outskirts of the village of Lindford in the east of the English county of Hampshire. It is likely that there was a mill on this site in 1086 at the time of the Domesday Book. The west end of the current mill is considered to date from the 16th Century, whilst the central section is older. The mill is powered by the south branch of upper reaches of the River Wey and is the last commercially productive water mill in Hampshire. The mill with its adjoining house is a Grade II listed building.