Gardaí in Swords, Co Dublin are seeking assistance tracing 32-year-old Andrejs Maisaks, of Birchdale Close, Kinsealy Court, Kinsealy, Co Dublin.
Mr Maisaks was last seen early on Monday afternoon, leaving his home.
He is 1.83m (6’) tall, of slight build, with fair hair and blue eyes.
When last seen he was wearing a red and brown light jacket, blue jeans and black shoes.
Anyone with information on his whereabouts is asked to contact Swords Garda Station on 01-6664700, the Garda Confidential Line 1800-666-111 or any garda station.