Gardaí in the town of Dunmore East in Co Waterford have called on the public to help them trace the whereabouts of 30-year-old local Shane Fitzgerald from Kilmacleague.
The missing man was last seen at a nightclub in Waterford at 3.10am on Sunday April 13.
He is described as being 6ft in height, well build, shaven head, red goatee beard and has blue/green eyes.
When last seen he was wearing black jeans, black t-shirt, black boots and a black fleece jacket.
Anyone with information is asked to contact the gardaí at Dunmore East 051-383112.
Meanwhile gardaí are also seeking to locate a 14-year-old who went missing in Dublin.
Corinna Cranny from Lally Rd, Clondalkin was last seen at midday on Wednesday.
She is described as being 5'8" in height with blue eyes, brown hair with blonde streaks.
Clondalkin gardaí are investigating her disappearance.