1990–91 British Basketball League season
The 1990–1991 BBL season was the 4th season of the British Basketball League since its establishment in 1987. The season featured a total of nine teams, playing 24 games each.
Following a new £1.3 million sponsorship deal with Carlsberg, the sport was unified once more as three divisions of the Carlsberg League were created.
Solent Stars dropped out of the top tier and would play their basketball in Division Four. Hemel Hempstead Royals and Worthing Bears returned to top tier action and the Bracknell Tigers became the Thames Valley Tigers.
Kingston claimed the Division One title and Play-off crown, as well as the League Trophy, earning their coach Kevin Cadle and star player Alton Byrd the award's for Coach and Player of the Year respectively. Sunderland claimed the National Cup preventing another Kingston clean sweep.Carlsberg League Division One (Tier 1)
Final standings
The Play-offs
Quarter-finals
Kingston vs. Hemel Royals
Sunderland Saints vs. Worthing Bears
Thames Valley Tigers vs. Manchester Giants
Leicester City Riders vs. Derby RamsSemi-finals
Final
, Brixton TopCats, Broxbourne, Bury Metro Lobos, Cheshire Jets, Coventry Flyers, Doncaster Eagles, Manchester Bluejays, Middlesbrough Mohawks, Oldham Celtics, Great Western Plymouth Oilers, Sunderland B, Watford Rebels, WirralBarnsley Generals, Birmingham B, Calderdale Explorers, Cardiff Buccaneers, Cheshire Bulls, Chiltern Fastbreak, Fylde, Greenwich, Kirklees Leo's, Leicester B, North London College Hawks, Swindon RakersSecond Round
Quarter Finals
Semi Finals
Final
NatWest Trophy
Group stage
North Group
| Team | Pts | Pld | W | L | Percent |
| 1.Manchester Giants | 8 | 4 | 4 | 0 | 1.000 |
| 2.Leicester City Riders | 4 | 4 | 2 | 2 | 0.500 |
| 3.Sunderland Saints | 4 | 4 | 2 | 2 | 0.500 |
| 4.Derby Rams | 4 | 4 | 2 | 2 | 0.500 |
| 5.Hemel Royals | 0 | 4 | 0 | 4 | 0.000 |
South Group
| Team | Pts | Pld | W | L | Percent |
| 1.Kingston | 12 | 6 | 6 | 0 | 1.000 |
| 2.Thames Valley Tigers | 8 | 6 | 4 | 2 | 0.667 |
| 3.Worthing Bears | 2 | 6 | 1 | 5 | 0.166 |
| 4.London Docklands | 2 | 6 | 1 | 5 | 0.166 |
Semi-finals
Manchester Giants vs. Leicester City Riders
Kingston vs. Thames Valley TigersFinal
Seasonal awards
- Most Valuable Player: Alton Byrd
- Coach of the Year: Kevin Cadle
- All-Star Team:
- *Steve Bucknall
- *Alton Byrd
- *Martin Clark
- *Alan Cunningham
- *Kris Kearney
- *Ernest Lee
- *Dan Meagher
- *Dale Roberts
- *Russ Saunders
- *Clyde Vaughan
