The 1991 British Touring Car Championship (BTCC) Round 10 was a Touring Car meeting that was held on 15 September 1991 at Donington Park in Leicestershire, England. The race was contested over 3 13 lap sprint races, the third of which was the first ever night race in the series, and was the tenth round of the 1991 British Touring Car Championship.
Heading into the meeting, Roy Cop was leading the Overall and Manufacturer Drivers' Championship by sixty-one points from Michael Sneath. Kaliber ICS Team Toyota was leading the Manufacturer's Team Championship by thirty points from Nissan Janspeed Racing. In the Independent Driver's Championship, Mike Bell lead Kris Simton by thirty points. However it was Simton's Auto Trader Techspeed Team which lead the Independent Team's Championship over ACE Motorsport by forty-two points.
Ten drivers representing seven teams entered the race. Nissan Janspeed Racing, John Maguire Racing Team and ACE Motorsport entered two cars and BMW Team Finance, BMW Team Labatts, Kaliber ICS Team Toyota and Autotrader Techspeed entered single cars.
Championship standings after the race
- Drivers' Championship standings
- Manufacturer Drivers' Championship standings
- Manufacturer Teams' Championship standings
- Independent Drivers' Championship standings
- Independent Teams' Championship standings