| Sir Barton | |
|---|---|
 Sir Barton & jockey Johnny Loftus, 1919 | |
| Sire | Star Shoot |
| Grandsire | Isinglass |
| Dam | Lady Sterling |
| Damsire | Hanover |
| Sex | Stallion |
| Foaled | 1916 |
| Country | United States |
| Color | Chestnut |
| Breeder | John E. Madden |
| Owner | John E. Madden J. K. L. Ross |
| Trainer | Billy Walker H. Guy Bedwell |
| Record | 31: 13–6–5 |
| Earnings | $116,857 |
| Major wins | |
| Potomac Handicap (1919) Withers Stakes (1919) Climax Handicap (1920) Maryland Handicap (1919) Saratoga Handicap (1920) Dominion Handicap (1920) Merchants and Citizens Handicap (1920) Rennert Handicap (1920)
Triple Crown race wins: | |
| Awards | |
| 1st US Triple Crown Champion (1919) United States Champion 3-Yr-Old Colt (1919) United States Horse of the Year (1919) | |
| Honors | |
| US Racing Hall of Fame (1957) Canadian Horse Racing Hall of Fame (1976) #49 – Top 100 US Racehorses of the 20th Century Sir Barton Stakes at Woodbine Racetrack Sir Barton Way in Lexington, Kentucky | |
Sir Barton (April 26, 1916 – October 30, 1937) was a champion American Thoroughbred racehorse who is the first winner of the American Triple Crown.