The men are believed to hold vital information about offences including murder, fraud and drug dealing.
Anyone with information on their whereabouts should call South Yorkshire Police on 101 or Crimestoppers, anonymously, on 0800 555111.
5. Declan Taylor - prison absconder
The 22-year-old man absconded from HMP Hatfield on Monday, December 2 when he was serving a five-year sentence for robbery. He has ‘outlaw’ tattooed on his left arm and ‘Dec’ tattooed on his right arm. Taylor has links to Rotherham and Doncaster. Photo: JPI Media
6. Mohammed Anwaar - drugs
Mohammed Anwaar vanished after he was released under investigation following his arrest for drug dealing and money laundering in 2018. He was sentenced in his absence to eight years and four months at a court hearing in Sheffield this month. Photo: JPI Media
7. John Eric Wells - fraud
The 61-year-old, who alsio uses the names Howard Walmsley and Howard Hemmings, is wanted in connection with three high value romance frauds, during which victims lost money totalling more than £400,000. Photo: JPI Media