| Competition | British League |
| Season | 1971 |
| No. of competitors | 19 |
| Champion | Belle Vue Aces |
The 1971 British Speedway League was the seventh season of the highest tier of motorcycle speedway in Great Britain. Reading Racers moved up from Division 2. Newcastle Diamonds dropped out. Belle Vue Aces retained their title to become the first team to win the title for the second time.
| Team | PL | W | D | L | Pts |
| Belle Vue Aces | 36 | 25 | 1 | 10 | 51 |
| Leicester Lions | 36 | 22 | 3 | 11 | 47 |
| Coventry Bees | 36 | 23 | 0 | 13 | 46 |
| Sheffield Tigers | 36 | 21 | 1 | 14 | 43 |
| Swindon Robins | 36 | 19 | 3 | 14 | 40 |
| Reading Racers | 36 | 18 | 4 | 14 | 41 |
| Hackney Hawks | 36 | 17 | 4 | 15 | 38 |
| Newport Wasps | 36 | 19 | 0 | 17 | 37 |
| Wembley Lions | 36 | 17 | 3 | 16 | 37 |
| Wimbledon Dons | 36 | 18 | 1 | 17 | 36 |
| Poole Pirates | 36 | 17 | 2 | 17 | 35 |
| Wolverhampton Wolves | 36 | 17 | 1 | 18 | 34 |
| King's Lynn Stars | 36 | 16 | 2 | 18 | 34 |
| Halifax Dukes | 36 | 16 | 2 | 18 | 32 |
| Exeter Falcons | 36 | 16 | 0 | 20 | 31 |
| Glasgow Tigers | 36 | 15 | 1 | 20 | 25 |
| Oxford Cheetahs | 36 | 12 | 1 | 23 | 20 |
| Cradley Heath Heathens | 36 | 8 | 4 | 24 | 20 |
| West Ham Hammers | 36 | 9 | 1 | 26 | 19 |
M = Matches; W = Wins; D = Draws; L = Losses; Pts = Total Points
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