1990年のイギリス・フォーミュラ3選手権シーズンは、 同カテゴリーにおける40シーズン目であり、4月1日からドニントン・パークで始まり、10月7日にシルバーストンで17レースを終えた。同年タイトルを獲得したのはミカ・ハッキネン。ハッキネンのライバルミカ・サロがシリーズ2位となった。日本からも田中実と野田英樹が参戦した。 

 ドライバーとチーム 
TeamChassisEngineNo.DriverRoundsClass ABowman RacingRalt RT33Volkswagen-Spiess1 Steve RobertsonAll4 Philippe AdamsAll12 Fernando Plata1–7 Stephen Hepworth10–1714 Peter Kox1–10, 12–17West Surrey RacingRalt RT34Mugen-Honda2 Mika HäkkinenAll3 Christian FittipaldiAll16 Minoru TanakaAllPaul Stewart RacingReynard 903Mugen-Honda5 Paul Stewart1–3Ralt RT344–17Reynard 9036 Derek Higgins1–4Ralt RT345–17Alan Docking RacingRalt RT34Mugen-Honda7 Mika SaloAll8 Hideki NodaAllSwallow RacingReynard 903Mugen-Honda10 Julian Westwood1–4Ralt RT345–17Reynard 90311 Jonathan McGall1–3Ralt RT344–17Formula ServicesReynard 903Alfa Romeo18 Jose Cordova1–4 Adrián Fernández5Hubbard RacingReynard 903Opel20 Hilton Cowie5–9, 13–15, 17Ralt RT3394321 Niko Palhares3–4Ralt RT345–9Racefax MotorsportRalt RT32Mazda23 Alain Menu1–2, 4Dawson Auto DevelopmentsReynard 903Alfa Romeo25 António Simões2–3, 5, 10–11, 13, 17Tech-Speed MotorsportReynard 903Volkswagen-Spiess27 Gary Ayles1–4, 6–9 Scott Stringfellow1328 Jordi GenéAllHepworth RacingReynard 903Volkswagen-Spiess30 Stephen Hepworth1–6 Jason Elliott9–10 Henrik Larsen11–14 Ross Hockenhull16Superpower EngineeringReynard 903Volkswagen-Spiess33 Paul Warwick1Ralt RT34Mugen-Honda2–9 Bernard Dolan10 Gary Ayles11–17Team Itchi-BanReynard 903Mugen-Honda37 Nic Jönsson15–1638 Mikael Gustavsson1539 Linus Lundberg15G-Son RacingReynard 903Volkswagen-Spiess40 Fredrik Ekblom1Diamond RacingReynard 903Volkswagen-Spiess44 César Tiberio Jiménez4Reynard R&DReynard 903BMugen-Honda50 Jason Elliott11, 13, 15–17Class BPeter Lea RacingReynard 873Alfa Romeo51 Eddie Kimbell1–13 Sandy Brody14–17Reynard 88356 Alan Tulloch1–10, 13–17Stronghold RacingRalt RT32Toyota52 Steve Bradley1–4, 6, 8–11, 14Ralt RT33Volkswagen-Spiess15, 17Steve DeeksReynard 883Alfa Romeo53 Steve Deeks5–8, 10, 17Bowman RacingRalt RT33Volkswagen-Spiess54 Charles Rickett1–13 Darren Shaw14, 16 Dana Brewer15, 17Tollbar RacingRalt RT32Volkswagen-Spiess55 Juan SerdaAllDavies RacingRalt RT31Volkswagen-Spiess57 Tony Davies1, 4–6, 10, 17Tech-Speed MotorsportReynard 873Volkswagen-Spiess58 Paul Smith10G-Son RacingReynard 883Volkswagen-Spiess60 Monica Stråth1Racefax MotorsportRalt RT32Volkswagen-Spiess61 Dominic Chappell1–3Ralt RT334–17Hubbard RacingReynard 893Volkswagen-Spiess64 Pekka Herva14–15, 17Ralt RT33Opel91 Flurin Zegg4Zeus MotorsportReynard 883Volkswagen-Spiess66 Peter Sneller1–2, 4–8, 10–12, 15–17Petroglobe InternationalReynard 893Alfa Romeo67 Dana Brewer13Diamond RacingReynard 893Toyota70 César Tiberio Jiménez3Cram MotorsportRalt RT33Toyota71 Rob MearsAllJWD MotorsportRalt RT31Toyota83 Jack Dickenson4, 9Carlton TinglingReynard 883Volkswagen-Spiess85 Carlton Tingling15

 チャンピオンシップ・ランキング 
Pos.DriverDONSILTHRBRHSILBRHTHRSILDONSILSNEOULSILBRHDONTHRSILPtsClass A1 Mika Häkkinen111222Ret211111212 Mika Salo212411125122Ret31Ret3 Steve Robertson32RetRet33Ret1Ret32Ret43Ret93494 Christian Fittipaldi414567648163RetDSQ5Ret42365 Peter KoxRet4325Ret652RetRetRetRetRet64286 Philippe Adams11Ret610420Ret99445622Ret11257 Paul Stewart623Ret119Ret1344Ret5436Ret313218 Jonathan McGallRet5Ret1210115371017377RetRet6139 Derek HigginsRet7Ret5849223RetRetRetRet4RetRet71210 Paul Warwick17Ret43Ret576101011 Minoru Tanaka58Ret813Ret3RetRet5RetRet1012Ret581012 Hideki Noda76RetDNS691116RetRetRet6511410Ret813 Jason ElliottRet8DNS20585414 Julian WestwoodRet128914710787Ret7896710115 Jordi Gené101091312RetDSQ10Ret11689107Ret9116 Fernando Plata897711812017 Gary Ayles20Ret1114Ret814RetRetRetRet881912018 Henrik Larsen8Ret1113019 Stephen Hepworth131615Ret1512Ret99Ret141520Ret020 Alain Menu9RetDNS021 Bernard Dolan9022 Niko PalharesRetRetRet10NC11Ret023 Jose CordovaDNS1110DNS024 António Simões13RetRet1210RetRet025 Hilton Cowie12RetRetDSQ121112RetRetRet026 Ross Hockenhull11027 Nic JönssonRet13028 Scott Stringfellow150 Fredrik EkblomRet0 Adrián FernándezRet0 Linus LundbergRet0 César T. JiménezDNS0 Mikael GustavssonDNS0Class B1 Charles RickettRet151315Ret21141312131110131012 Dominic Chappell1219DNSRetRet131515Ret15Ret111416914Ret723 Eddie KimbellRet1814161716171915Ret12DNS16434 Rob Mears18Ret16RetRet14Ret18131614RetRet171015DSQ425 Peter SnellerRet17DNSRet1516Ret141512DSQ1614396 Juan Serda1620201716181821162016131820DSQ1818337 Steve BradleyDSQ2118Ret1720141913191216238 Darren Shaw1512209 Alan Tulloch15221918181919RetRet21172111RetRet2010 Sandy BrodyRetRet1715811 Steve DeeksRetDNSDNS171817812 Monica Stråth14613 Tony Davies1919192222DNS614 Pekka Herva18RetRet415 César T. Jiménez17316 Dana Brewer191419317 Paul Smith17218 Carlton Tingling13219 Jack DickensonDNS171 Flurin ZeggDNS0