Gardaí are appealing to the public for help in tracing the whereabouts of 16-year-old Leanne Cawley.
She has been missing from Portarlington in Co Laois since around 2.00pm on Monday, September 2nd.
Leanne is described as being 5'5 inches, of a thin build and with long brown hair.
When last seen she was wearing a grey tracksuit bottoms, pink top and navy jacket.
It is believed that she is in the company of a 19-year-old man, and may be heading towards Northern Ireland.
Gardaí and Leanne's family say they are very concerned for her welfare.
Anyone with information is asked to contact Portarlington Garda station on 057-8623-112 or the Garda Confidential Line at 1800-666-111.