Four cars parked on the same street had their windows smashed over two weekends.
Three cars, which were all parked on Norwood Crescent, Killamarsh, were targeted sometime overnight on Sunday, February 14.
A Vauxhall Corsa had its windscreen and two windows smashed over the previous weekend.
In Sheffield, a car parked in Road, Gleadless Valley, had a window smashed last Friday night and a car parked in Sharrow Vale Road, Sharrow Vale, was targeted overnight on Saturday into Sunday.
A car parked in Vincent Road, Sharrow, had a tyre slashed between Tuesday and Saturday last week.
Witnesses or anyone with information about the vandalism attacks should call police on 101 or Crimestoppers on 0800 555111.