Merseyside Police is becoming increasingly concerned for the whereabouts of 17-year-old Owen Williams.
Owen was last seen on Sunday, 9 August at his home address in Caroline Place, Prenton and has not been seen since.
He is described as white, 6ft tall with short blonde hair. He is clean shaven with brown eyes and a slim build.
Owen has a Liverpool accent and was last seen wearing a black jacket, grey combat trousers and black trainers.
He was also carrying a rucksack.
Owen has links to Wirral, Liverpool City Centre and Aberdeen.
Officers would urge Owen or anyone who has seen him since Sunday, 9 August to DM @MerPolCC, call 101 or contact Missing People on 116 000.