Gardaí are seeking the public's assistance in tracing the whereabouts of 30-year-old Conor Gahan, who is missing from his home in Waterford City.
Conor was last seen on Monday 10th October at 10.50p.m when he left home.
He is described as 6ft in height, of slim build with brown hair and blue eyes.
When last seen Conor was wearing a black ski jacket with fur on the hood, a black woolly hat and was carrying a multi coloured backpack.
Gardaí and Conor's family are concerned for his welfare and ask anyone with information to contact Waterford Garda Station.