Gardai at Rathfarnham are seeking the public's assistance in tracing the whereabouts of 18-year-old John Connors, who was last seen 10 days ago.
Mr Connors was last seen at his home in Nutgrove Crescent, Churchtown, Dublin 14.
He is described as being 5'6", of stocky build with blue eyes and short curly brown hair.
When last spotted he was wearing a top and tracksuit bottoms and runners.
Anyone with information is asked to contact the gardai.