Gerald Lee Mitchell Jr., 57, is believed to be suffering from dementia or some other cognitive impairment.
He is described as a white man, 5-foot-9 and 130 pounds. He has medium-length brown hair and blue eyes.
Mitchell was last seen wearing a black hat, black puffy coat, blue jeans and brown suede boots with fur.
Anyone with information about Mitchell should call Sgt. V.R. Johnson at the Raleigh Police Department at 919-279-2347.