Warwickshire 3 was a tier 10 English Rugby Union league with teams from Warwickshire taking part. Promoted teams moved up to Warwickshire 2 and there was no relegation. Following restructuring of the Warwickshire leagues at the end of 1991–92 season, Warwickshire 3 was cancelled and the teams transferred into the newly introduced Staffordshire/Warwickshire 3 or Staffordshire/Warwickshire 4.
Warwickshire 3 was a tier 10 league with promotion up to Warwickshire 2 and there was no relegation. At the end of the 1991–92 season the merging of all Staffordshire and Warwickshire leagues meant that Warwickshire 3 was discontinued[e].