Richard Dorian Walker (born August 16, 1950, in Johannesburg) is best known for being the youngest rider ever to win the Badminton Horse Trials.

At 18 years and 247 days, the British-born rode his mount, Pasha, to victory at Badminton in 1969.

However, the pair did go on to be part of the British Eventing Team at the 1969 European Championships (Haras-du-Pin, France), where they won not only the Team Gold, but also the Individual Silver medal.

He won Burghley in 1980 and 1982, and in 1991 he returned to the British team, winning at the 1991 European Championships the gold and individual silver on Jacana.

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