Clive Brittain (born 15 December 1934) is a British race-horse trainer. He began training as an apprentice in 1949, and on his own as a licensed trainer in the early 1970s. He currently trains at Carlburg Stables in Newmarket, Suffolk. His best-known horse is Pebbles, winner of the 1,000 Guineas in 1984 and the Breeders' Cup Turf in 1985.