Staffordshire/Warwickshire 1 was a tier 9 English Rugby Union league with teams from Staffordshire and Warwickshire taking part. Promoted teams moved up to Midlands West 2 and relegated teams dropped to either Staffordshire 1 or Warwickshire 1. The division was cancelled at the end of the 1999–00 campaign due to nationwide league restructuring by the RFU, with the majority of teams transferred into the newly introduced Midlands 4 West (North) or Midlands 4 West (South).
Merging of the Staffordshire and Warwickshire leagues would lead to the division being renamed as Staffordshire/Warwickshire 1 and would drop to being a tier 9 league. Promotion was now to the newly introduced Midlands West 2 and relegation to Staffordshire/Warwickshire 2.
The top six teams from Midlands 1 and the top six from North 1 were combined to create National 5 North, meaning that Staffordshire/Warwickshire 1 dropped to become a tier 10 league. Promotion continued to Midlands West 2 and relegation to Staffordshire/Warwickshire 2.
At the end of the 1995–96 season National 5 North was discontinued and Staffordshire/Warwickshire 1 returned to being a tier 9 league. Promotion continued to Midlands West 2 and relegation to Staffordshire/Warwickshire 2. At the end of the 1999–00 the league was discontinued due to RFU restructuring.
^Due to league restructuring there would be no relegation.
^Due to the cancellation of National 5 North at the end of the season, six clubs were promoted including , , , and .
^Due to widespread restructuring caused by the cancellation of National 5 North there was no relegation, although bottom side would drop out of the league at the end of the season.
^The cancellation of the Staffordshire/Warwickshire leagues meant that there was no relegation, with non-promoted sides being transferred either to Staffordshire 1 or Warwickshire 1.