The teenager, who cannot be named for legal reasons, has been charged with robbery and possession of an offensive weapon following a number of incidents on Ecclesall Road.
Meanwhile, Ryan Haddington, 28, of Sharrow Lane, Sheffield, has been charged with commercial robbery in relation to a number of offences in Sheffield between February 6 and March 14.
Haddington, and the boy, were due to appear before Sheffield Magistrates' Court this morning.