The 1991 Epsom Derby was a horse race which took place at Epsom Downs on Wednesday June 5, 1991. It was the 212th running of the Derby, and it was won by Generous. The winner was ridden by Alan Munro and trained by Paul Cole. The pre-race joint favourites were Corrupt (sixth) and Toulon (ninth).
Sponsor: Ever ReadyWinner's prize money: £355,000Going: Good to FirmNumber of runners: 13Winner's time: 2m 34.00s* The distances between the horses are shown in lengths or shorter. shd = short-head.
† Trainers are based in Great Britain unless indicated.
Further details of the winner, Generous:
Foaled: February 8, 1988, in IrelandSire: Caerleon; Dam: Doff the Derby (Master Derby)Owner: Prince Fahd bin SalmanBreeder: Barronstown StudRating in 1991 International Classifications: 137Notable runs by the future Derby participants as two-year-olds in 1990.
Generous – 2nd Coventry Stakes, 3rd Vintage Stakes, 10th Prix Morny, 1st Dewhurst StakesStar of Gdansk – 3rd Tyros Stakes, 2nd Futurity StakesHector Protector – 1st Prix La Flèche, 1st Prix de Cabourg, 1st Prix Morny, 1st Prix de la Salamandre, 1st Grand CritériumCorrupt – 4th Bernard van Cutsem Stakes, 5th Vintage StakesHokusai – 1st Bernard van Cutsem StakesHailsham – 7th Coventry Stakes, 7th Solario Stakes, 4th Royal Lodge StakesMystiko - 3rd Gimcrack StakesArokat – 2nd Champagne StakesMujaazif – 1st Royal Lodge Stakes, 4th Racing Post TrophyEarly-season appearances in 1991 and trial races prior to running in the Derby.
Generous – 4th 2,000 GuineasMarju – 1st Craven Stakes, 11th 2,000 GuineasStar of Gdansk – 1st Tetrarch Stakes, 2nd Amethyst Stakes, 2nd Irish 2,000 GuineasHector Protector – 1st Prix de Fontainebleau, 1st Poule d'Essai des PoulainsHundra – 1st Dee StakesCorrupt – 1st Easter Stakes, 1st Lingfield Derby TrialHokusai – 3rd Craven Stakes, 8th 2,000 Guineas, 4th Prix Jean PratHailsham – 4th Craven Stakes, 1st Sandown Classic Trial, 2nd Dante Stakes, 1st Derby ItalianoToulon – 3rd Prix Greffulhe, 1st Chester VaseMystiko - 1st European Free Handicap, 1st 2,000 GuineasEnvironment Friend – 3rd Easter Stakes, 5th Craven Stakes, 1st Dante StakesArokat – 5th Feilden Stakes, 3rd Dee StakesMujaazif – 13th 2,000 GuineasGroup 1 / Grade I victories after running in the Derby.
Generous – Irish Derby (1991), King George VI and Queen Elizabeth Stakes (1991)Marju – St. James's Palace Stakes (1991)Hector Protector – Prix Jacques Le Marois (1991)Toulon – St. Leger (1991)Environment Friend – Eclipse Stakes (1991) 
