| Leo | |
|---|---|
| Breed | Quarter Horse |
| Discipline | Racing |
| Sire | Joe Reed II |
| Grandsire | Joe Reed P-3 |
| Dam | Little Fanny |
| Maternal grandsire | Joe Reed P-3 |
| Sex | Stallion |
| Foaled | 1940 |
| Country | United States |
| Color | Sorrel |
| Breeder | J. W. House |
| Owner | Bud Warren John Tillman Gene Moore |
| Awards | |
| A speed rating | |
| Honors | |
| American Quarter Horse Hall of Fame | |
Leo (1940–1967) was one of the most influential Quarter Horse sires in the early years of the American Quarter Horse Association (or AQHA).