Gardai are appealing for social sharing of missing 15-year-old Jordan Carroll from Fairview in Dublin.
The boy has been missing from his Dublin 3 address since Thursday, July 22.
He is described as being 5ft 7, thin build, short fair hair and blue eyes.
Jordan was last seen wearing a navy and orange rain jacket and black cap, navy tracksuit bottoms and navy trainers.
Anyone with information is asked to contact Clontarf Garda Station on 01 666 4800 or the Garda Confidential Line 1800 666 111.