Police are appealing for help to find a missing man from Yardley Gobion, near Towcester.
Peter Hastings, 62, was last seen at about 9.30am on Friday March 3, and officers are concerned for his welfare.
Mr Hastings is described as white, about 5ft 11in, with grey short hair and blue eyes. His clothing is not known but he may have been wearing a red coat.
Anyone who may have seen Peter or has any information as to his whereabouts is asked to contact Northamptonshire Police on 101.