Gardaí in Mullingar are appealing for help from the public in tracing the whereabouts of 47-year-old Barry Ahern.
Mr Ahern, originally from Ballylongford, Co Kerry, was last seen in Mullingar, Westmeath, on 4 October.
He is described as 1.7m (5'8") in height, and of a slim build with short brown hair and brown eyes.
When last seen, he was wearing a hooded top and jeans.
Barry’s family and gardaí are seriously concerned for his well being and are appealing to anyone with information to contact Mullingar Garda Station 044-9384000 or the Garda Confidential Line 1800 666 111.