Gardaí at Dundalk are seeking the public's assistance in tracing the whereabouts of 20-year-old Gavin Sheelan of Annaloughan, Co Louth.
Gavin was last seen at his home at 8am on the morning of last Tuesday, January 3, and has not been seen since.
He is described as being 5’11’’ in height, of thin build, with brown hair and blue eyes.
When last seen he was wearing a black jacket, woollen hat, blue jeans and runners.
His family are concerned for his safety.
Due to proximity to the border, it is also possible that Gavin is in the North.