This list includes racehorses that exist in the historical record.
For competition horses, such as show jumpers and dressage horses, see List of historical horses § Competition horses.
Deep Impact was a champion Japanese Thoroughbred racehorse who won the Japanese Triple Crown in 2005 and the Japan Cup in 2006, as well as three other Japan Grade One races.
Unbridled was a champion American Thoroughbred racehorse who won the 1990 Kentucky Derby and Breeders' Cup Classic.
Sunday Silence was an American-bred Thoroughbred racehorse and sire. In 1989, he won the Kentucky Derby and the Preakness Stakes but failed to complete the Triple Crown when he was defeated in the Belmont Stakes. Nevertheless, he won the Breeders' Cup Classic and was voted American Champion Three-Year-Old Colt and American Horse of the Year that same year. Sunday Silence's racing career was marked by his rivalry with Easy Goer, whom he had a three to one edge over in their head-to-head races. Easy Goer, the 1988 American Champion Two-Year-Old Colt finished second to Sunday Silence in the Kentucky Derby the Preakness, and the Breeders' Cup Classic. However, Easy Goer prevailed by eight lengths in the Belmont denying Sunday Silence the Triple Crown. Both horses were later voted into the American Hall of Fame.
Silver Charm is a champion American Thoroughbred racehorse who won the 1997 Kentucky Derby and Preakness Stakes and 1998 Dubai World Cup. He stood at stud in the United States and Japan, and is now retired at Old Friends Farm in Kentucky.
Bernardini was a champion American Thoroughbred racehorse who won the 2006 Preakness Stakes and Travers Stakes.
A.P. Indy was an American Thoroughbred racehorse who won the Belmont Stakes and Breeders' Cup Classic on his way to American Horse of the Year honors in 1992. His time in the Belmont Stakes tied Easy Goer for the second-fastest running in the history of the race, behind his damsire Secretariat.
La Troienne (1926–1954) was one of the most famous and influential Thoroughbred broodmares in twentieth century America. She produced 10 winners including two Hall of Fame inductees while at stud, while her daughters in turn produced many notable offspring. In 2000, pedigree expert Janeen Oliver designated her as the taproot of family 1-x, a designation that was implemented by the Pedigree Online Thoroughbred Database in 2003. Recent matrilineal descendants include 2003 Horse of the Year Mineshaft, Japanese Triple Crown winner Contrail (2020), Kentucky Derby winners Smarty Jones (2004) and Super Saver (2010), Belmont Stakes winner Essential Quality (2021), and Sussex Stakes winner Alcohol Free (2021).
Deputy Minister was a Canadian-bred Thoroughbred horse racing Champion. At age two, he won eight out of his nine starts and was voted both the Sovereign and Eclipse Awards for Champion 2-Year-Old in Canada and the United States respectively. He also received Canada's Sovereign Award for Horse of the Year. Although his three-year-old campaign was restricted by injury, Deputy Minister rebounded at age four with several major wins.
Stage Door Johnny was an American Thoroughbred racehorse best known for his win in the third leg of the 1968 U.S. Triple Crown series, the Belmont Stakes.
Smart Strike was a Canadian Thoroughbred racehorse. The son of the Champion sire, Mr. Prospector, and out of the Canadian Horse Racing Hall of Fame mare Classy 'n Smart, Smart Strike is a half-brother to 1991 Canadian Triple Crown champion Dance Smartly.
Halo was an American Thoroughbred racehorse and an important Champion sire.
Raise a Native was an undefeated Thoroughbred racehorse that was named 1963 champion two-year-old colt in the Turf and Sport Digest poll and was the highest rated juvenile in the Experimental Free Handicap. He sired 74 stakes winners, including Majestic Prince and Alydar. In its 1988 obituary for the horse, The New York Times called him "the most influential sire of American Thoroughbred stallions over the last 20 years".
Forty Niner was an American champion thoroughbred racehorse and influential stallion.
Summer Squall was an American thoroughbred racehorse and sire, best known for his win in the 1990 Preakness Stakes, and his rivalry with Unbridled, whom he defeated in four of their six meetings. He later became a successful breeding stallion siring the Kentucky Derby winner Charismatic.
Timber Country was an American Thoroughbred racehorse who was the first horse to ever win the Breeders' Cup Juvenile and American Triple Crown Classic Race when he won the 1995 Preakness Stakes.
Broad Brush was an American thoroughbred racehorse foaled in Maryland. He was by the Hall of Fame stallion Ack Ack out of the Hoist The Flag mare Hay Patcher.
Brian's Time was an American Thoroughbred racehorse. He was sired by Roberto by breeder Joan Phillips. Brian's Time was a grade one stakes-winning millionaire who is probably most remembered for his win in the Florida Derby and a solid runner-up finish to Dual Classic winner Risen Star in the 1988 Preakness Stakes. He later became a very successful breeding stallion in Japan.
Orfevre is a retired Japanese Thoroughbred racehorse and active breeding stallion. In 2011 he won the Japanese Triple Crown and was voted Japanese Horse of the Year. In 2012 he added victories in the Takarazuka Kinen and the Prix Foy but was narrowly beaten in both the Prix de l'Arc de Triomphe and the Japan Cup. He acquired the reputation of being an extremely talented but temperamental racehorse. In 2013 Orfevre again won the Prix Foy and finished second in the Arc before ending his career with an eight length win in the Arima Kinen.
Zenno Rob Roy was a Japanese Thoroughbred racehorse and active sire. In a racing career which lasted from February 2003 until December 2005, he ran twenty times, winning seven races and being placed on ten further occasions. As a three-year-old in 2003, he won two Group races and finished second in the Tokyo Yushun. His greatest success came as a four-year-old in the following year when he was named Japanese Horse of the Year after winning the three all-aged Group One races which comprise Japan's Autumn Triple Crown: the Autumn Tenno Sho, the Japan Cup, and the Arima Kinen. In 2005, he failed to win but was placed in the International Stakes in Britain as well as in the Tenno Sho and Japan Cup. He was then retired to stud where he had success as a sire of winners.
Daiwa Major is a retired Japanese Thoroughbred racehorse and active sire. A horse who excelled at distances of one to one and a quarter miles, he won the Satsuki Shō, the first leg of the Japanese Triple Crown in 2004. His greatest success, however, came later in his career when he won several of Japan's most important weight-for-age races including the Tennō Shō, the Yasuda Kinen and two runnings of the Mile Championship. He was twice named Japan's champion miler. Daiwa Major made a successful start to his stud career, siring a Group One winner in his first crop.