In one of the incidents, a 26-year-old man was critically injured outside the Wenue6 pub – formerly the Forum – on Sandstone Road, Wincobank.
He was shot at around 1am on Sunday, April 28.
Rose House pub Walkley: Sheffield landlady pledges to stay open after windows smashed in two attacks
Sheffield father poured petrol over daughter and tried to set her on fire
Sheffield shooting: Three men charged after man shot in broad daylight in Manor area
Police incident Woodhouse Sheffield: Two men and a woman injured after large fight breaks out on Market Square
Staniforth Road Darnall: Man injured as van is smashed up in front of stunned onlookers in Sheffield
Five days earlier, on Tuesday, April 23, a house belonging to a city councillor at the time, Mohammad Maroof, was fired at.
Coun Maroof’s front door was damaged in the early morning attack in Edgedale Road, Nether Edge, but nobody was injured.
Six days before that shooting, an 18-year-old man was shot in his leg in Oxford Street, Upperthorpe.
No arrests have yet been made over any of the shootings.
Anyone with information about any of the incidents should call South Yorkshire Police on 101 or Crimestoppers, anonymously, on 0800 555111.