East Midlands/Leicestershire 1 (formerly East Midlands/Leicestershire) was a tier 9 English Rugby Union league with teams from Bedfordshire, parts of Cambridgeshire, Leicestershire and Northamptonshire taking part. Promoted teams moved up to Midlands 4 East (North) (formerly Midlands East 2) and relegated teams dropped to East Midlands/Leicestershire 2. At the end of the 1999–00 season the East Midlands/Leicestershire leagues split. Most teams in East Midlands/Leicestershire 1 were transferred into either Midlands 4 East (South) or Notts, Lincs & Derbyshire/Leicestershire 1 East.