They want information to help locate suspects in cases and those believed to hold vital information about incidents.
Murders, romance fraud, burglaries, assaults and firearm offences could be solved with your help.
Anyone with information on the whereabouts of any of those wanted by the police should call South Yorkshire Police on 101 or Crimestoppers, anonymously, on 0800 555111.
17. Murder
Ahmed Warsame is wanted over the fatal shooting of 22-year-old Jordan Thomas in a car at traffic lights on Derek Dooley Way in Sheffield December 2014. Photo: Claire Lewis
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