Police are becoming increasingly concerned for the safety of 15-year-old Ronan Quinn from Armagh.
The teenager has been missing since the evening of December 11.
Sergeant John Downey said: “Ronan is described as being approximately 5ft tall, fair light brown hair and green/blue eyes.
“We believe when last seen he was wearing a blue hooded top, jeans, white converse boots and carrying a bag.
“We believe that Ronan may be in the Armagh City area and we are urging him, or anyone that may know of his whereabouts to contact police on 101.”