Levi Hampsey, aged 16, was reported missing from Meadowhead on Sunday, March 25 and was last seen in Batemoor on Friday, May 4.
A re-appeal for information as to his whereabouts has been issued today.
READ MORE: Arsonists torch 15 tyres in Sheffield streetA South Yorkshire Police spokesperson said: "He is believed to frequent the Batemoor and Lowedges areas of Sheffield, and members of the public within these areas are asked to contact police if they have any information.
"16-year-old Levi is described as around 5ft 8incs tall, with green eyes and curly brown hair. Although it is unknown what he was wearing at the time he was reported missing, Levi often wears dark and black coloured clothing.
"Have you seen Levi? Do you have any information about where he might be?
READ MORE: Atdhe Nuhiu explains Sheffield Wednesday contract situation"If you’ve seen Levi, or have any information, please call 101 quoting incident number 526 of 28 March."