Claiborne Farm is a thoroughbred horse breeding operation near Paris, Kentucky. It was established in 1910 by Arthur B. Hancock, owner of Ellerslie Farm in Albemarle County, Virginia, and has been operated by members of his family ever since.

Owners

Arthur B. Hancock III (b. 1943) owns Stone Farm, a breeding operation nearby.

Arthur B. Hancock imported breeding stock from Europe that made Claiborne Farm an international leader in breeding, sales, and racing. He bred Vigil, the 1923 Preakness Stakes winner. Among his famous sires was Sir Gallahad III, purchased from France, who was the leading sire in 1930, 1933, 1934, and 1940 and who sired 1930 U.S. Triple Crown winner Gallant Fox. Claiborne Farm was part of a 1936 consortium that imported Blenheim II from England and in 1944 purchased Princequillo, who became the leading U.S. sire for 1957 and 1958.

Claiborne Farm won the Eclipse Award for Outstanding Breeder in 1979 and again in 1984. It has been visited twice by Queen Elizabeth II of the United Kingdom, who owns racehorses herself. The farm was home to all the major horses owned by the Phipps family, including Orb, the 2013 Kentucky Derby winner. Secretariat was syndicated by Seth Hancock for breeding purposes and stood at stud at Claiborne Farm from the conclusion of his racing career at the end of 1973 until his death in 1989.