1984 British Formula Three Championship
The 1984 British Formula Three Championship was the 34th season of British Formula Three. Johnny Dumfries took the BARC/BRDC Marlboro British Formula 3 Championship.
Johnny Dumfries got a drive with Team BP for the season, and ran way with the British title. The Earl of Dumfries, calling himself “Johnny Dumfries” for racing purposes, clinched the title, with three rounds still remaining. His closure rival for most of the season was Russell Spence, but pipped to second place in Championship by the consistent point finishing of Allen Berg.
BARC/BRDC Marlboro British F3 Championship
Champion: Johnny DumfriesRunner Up: Allen Berg
Class B Champion: Keith Fine
Results
Marlboro British Formula 3 Championship
| Date | Round | Circuit | Winning driver | Winning team | Winning car |
| 04/03/84 | Rd.1 |  Silverstone | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/83 |
| 11/03/84 | Rd.2 | Thruxton | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/83 |
| 01/04/84 | Rd.3 | Silverstone | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/83 |
| 15/04/84 | Rd.4 |  Zolder | Russell Spence | Mint Engineering – Warmastyle Racing | Ralt-Volkswagen RT3/84 |
| 23/04/84 | Rd.5 | Thruxton | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/83 |
| 07/05/84 | Rd.6 | Thruxton | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/83 |
| 20/05/84 | Rd.7 | Donington Park | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/83 |
| 28/05/84 | Rd.8 | Silverstone |  Mario Hytten | Murray Taylor Racing | Ralt-Volkswagen RT3/84 |
| 01/07/84 | Rd.9 | Snetterton | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/83 |
| 08/07/84 | Rd.10 | Donington Park | Russell Spence | Mint Engineering / Warmastyle Racing | Ralt-Volkswagen RT3/84 |
| 18/08/84 | Rd.11 | Oulton Park | Russell Spence | Mint Engineering / Warmastyle Racing | Ralt-Volkswagen RT3/84 |
| 27/08/84 | Rd.12 | Silverstone | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/84 |
| 02/09/84 | Rd.13 | Spa-Francorchamps |  Ross Cheever | Valour Racing | Ralt-Volkswagen RT3/84 |
| 16/09/84 | Rd.14 |  Zandvoort | Ross Cheever | Valour Racing | Ralt-Volkswagen RT3/84 |
| 27/08/87 | Rd.15 | Brands Hatch | Ross Cheever | Valour Racing | Ralt-Volkswagen RT3/84 |
| 30/09/84 | Rd.16 | Thruxton | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/83 |
| 07/10/84 | Rd.17 | Silvestone | Johnny Dumfries | Team BP | Ralt-Volkswagen RT3/83 |
Championship Tables
Class A
Class B
| Place | Driver | Entrant | Total |
| 1 | Keith Fine | MAS Promotion | 95 |
| 2 |  Carlton Tingling | Carlton Tingling | 67 |
| 3 | Steve Bradley | Steve Bradley Racing | 66 |
| 4 | Gray Hedley | Gray Hedley Racing Team | 33 |
| 5 | Richard Morgan | 24 | |
| 6 | Steve Kempton | Team Beskope | 21 |
| 7 | “Anton Sobriquet” | Steve Bradley Racing | 19 |
| 8 | Godfrey Hall | Godfrey Hall | 18 |
| 9 |  HĂĄkan Olausson | Hampshire Automobile Racing Team | 7 |
| 10= | Mike Blanchet | Terry Racing with Johnson & Bailey | 6 |
| Bill Burley | Bill Burley | 6 | |
| 12 | Ronnie Grant | Ronnie Grant | 5 |
| 13 | Dave Button | 4 | |
| 14= |  Sigurd Krane | 2 | |
| Jim Yardley | 2 | ||
| John Bullock | John Bullock | 2 | |
| 17= | Bernard Horwood | R.D. Motorsport | 1 |
| Roger Hamblin | Roger Hamblin | 1 |