Gardaí are seeking the public's assistance in tracing the whereabouts of 60-year-old Mark Atkinson.
He was last seen in Carrigaline, County Cork on Wednesday 1st February this year.
Mark is described as being approximately 5 foot 9 inches in height with a slim build, brown eyes and short white/grey hair.
He has a distinctive Chelsea FC lion tattoo on his left arm above the elbow.