| Tresiete | |
| Sire: | Alan Breck |
| Grandsire: | Sunstar |
| Dam: | Trentona |
| Damsire: | Torpoint |
| Sex: | Stallion |
| Foaled: | 7 October 1926 |
| Country: | Argentina |
| Colour: | Chestnut |
| Owner: | Caballeriza Pobre |
| Breeder: | Haras Lonquimay |
| Record: | 7: 4-1-2 |
| Earnings: | m$n90,617 |
| Wins: | Polla de Potrillos (1929) Gran Premio Montevideo (1929) Premio Saavedra (1929) |
| Awards: | Argentine Champion Three-Year-Old (1929)Leading Sire in Argentina (1938, 1942) |
Tresiete (7 October 1926[1] –1945?[2]) was an Argentine-bred thoroughbred racehorse and leading sire in Argentina.
Tresiete raced exclusively in the year 1929, running seven times for four wins, including the Gran Premio Montevideo, Premio Saavedra, and Gran Premio Polla de Potrillos. He ran second in the Gran Premio Jockey Club and third in the Gran Premio Nacional. Tresiete was the Argentine Champion Three-Year-Old of his generation.
Tresiete stood at stud at Haras Lonquimay, where he was bred.
Tresiete led the Argentine General Sire List in 1938 and 1942.[3] He was second in 1937 and 1941 and was among the leading sires 7 times.
Treiete is inbred 4S x 4D to Isonomy, which means that Isonomy appears in the fourth generation on the dam's side and sire's side. He is also inbred 5S x 4D to Hermit.