The 1991 British Open (officially the 1991 Pearl Assurance British Open) was a professional ranking snooker tournament, which took place between 17 February and 2 March 1991 at the Assembly Rooms in Derby, England.

Stephen Hendry won the tournament by defeating Gary Wilkinson 10–9 in the final. The defending champion Bob Chaperon was defeated in the last 64 by Franky Chan.

The qualifiers would mark the end of the playing career of veteran commentator Clive Everton.

Main draw

Last 64 Best of 9 framesLast 32 Best of 9 framesLast 16 Best of 9 framesQuarter-finals Best of 9 framesSemi-finals Best of 17 framesFinal Best of 19 frames
Scotland Stephen Hendry5
Scotland Alan McManus2
Scotland Stephen Hendry5
Hong Kong Franky Chan0
Hong Kong Franky Chan5
Canada Bob Chaperon4
Scotland Stephen Hendry5
England Tony Meo4
England Tony Meo5
England Jason Smith3
England Tony Meo5
Wales Doug Mountjoy4
Wales Doug Mountjoy5
England Rex Williams1
Scotland Stephen Hendry5
Northern Ireland Dennis Taylor1
Northern Ireland Dennis Taylor5
Canada Gary Natale4
Northern Ireland Dennis Taylor5
Canada Brady Gollan0
Canada Brady Gollan5
New Zealand Dene O'Kane3
Northern Ireland Dennis Taylor5
England Dean Reynolds1
England Dean Reynolds5
Scotland Duncan Campbell2
England Dean Reynolds5
Australia Warren King3
Australia Warren King5
England Steve James3
Scotland Stephen Hendry9
England Steve Davis7
England Steve Davis5
Republic of Ireland Eugene Hughes2
England Steve Davis5
England Martin Clark2
England Martin Clark5
England Ian Graham2
England Steve Davis5
Wales Colin Roscoe3
Wales Colin Roscoe5
England John Parrott3
Wales Colin Roscoe5
Australia Eddie Charlton1
Australia Eddie Charlton5
England Steve Campbell4
England Steve Davis5
England Mike Hallett3
England Mike Hallett5
England Mick Price4
England Mike Hallett5
England Joe Johnson2
England Joe Johnson5
England Chris Cookson3
England Mike Hallett5
Australia Robby Foldvari2
Australia Robby Foldvari5
Wales Cliff Wilson0
Australia Robby Foldvari5
England Neal Foulds4
England Neal Fouldsw/o
England Jonathan Birchw/d
Scotland Stephen Hendry10
England Gary Wilkinson9
England Gary Wilkinson5
Australia John Campbell2
England Gary Wilkinson5
South Africa Silvino Francisco2
South Africa Silvino Francisco5
Canada Jim Wych2
England Gary Wilkinson5
Thailand James Wattana2
Thailand James Wattana5
England David Roe3
Thailand James Wattana5
Republic of Ireland Stephen Murphy2
Republic of Ireland Stephen Murphy5
England John Virgo3
England Gary Wilkinson5
England Tony Jones3
England Tony Jones5
Wales Wayne Jones3
England Tony Jones5
Canada Kirk Stevens3
Canada Kirk Stevens5
Wales Steve Newbury2
England Tony Jones5
England Tony Knowles3
England Tony Knowles5
Northern Ireland Jason Prince3
England Tony Knowles5
Wales Mark Bennett1
Wales Mark Bennett5
England Barry West2
England Gary Wilkinson9
England Jimmy White8
England Jimmy White5
Northern Ireland Jack McLaughlin2
England Jimmy White5
England Danny Fowler3
England Danny Fowler5
Isle of Man Tony Wilson2
England Jimmy White5
Wales Terry Griffiths3
Canada Alain Robidoux5
Republic of Ireland Ken Doherty4
Canada Alain Robidoux5
South Africa Peter Francisco2
South Africa Peter Francisco5
England David Taylor2
England Jimmy White5
Canada Alain Robidoux3
Wales Terry Griffiths5
Malta Joe Grech0
Wales Terry Griffiths5
England Bob Marshall3
England Robert Marshall5
England Willie Thorne4
Canada Alain Robidoux5
Malta Tony Drago0
Malta Tony Drago5
Wales Darren Morgan2
Malta Tony Drago5
England Andrew Cairns3
England Andrew Cairns5
Canada Cliff Thorburn4

Final

Final: Best of 19 frames. Referee: Len Ganley Assembly Rooms, Derby, England. 2 March 1991.
Stephen Hendry Scotland10–9Gary Wilkinson England
Afternoon: 87–4 (80), 83–5, 51–76 (Hendry 51), 7–65, 6–69 (69), 7–68, 47–79 (53), 69–67 (Wilkinson 67) Evening: 18–73 (71), 88–33, 80–25, 53–35, 20–102, 24–68, 83–15 (55), 135–0 (118), 65–27, 36–99 (91), 87–2
118Highest break91
1Century breaks0
450+ breaks5