| Thinking Cap | |
|---|---|
| Sire | Rosemont |
| Grandsire | The Porter |
| Dam | Camargo |
| Damsire | Heliopolis |
| Sex | Stallion |
| Foaled | 1952 |
| Died | 1976 (aged 23–24) |
| Country | United States |
| Color | Bay |
| Breeder | Christiana Stables |
| Owner | Christiana Stables |
| Trainer | Henry S. Clark |
| Record | 59: 13-8-8 |
| Earnings | US$208,415 |
| Major wins | |
| Pimlico Futurity (1954) Travers Stakes (1955) Lawrence Realization Stakes (1955) Stymie Handicap (1956) Merchants' and Citizens' Handicap (1956) Southampton Handicap (1957) | |
Thinking Cap (1952–1976) was an American Thoroughbred racehorse who successfully competed in major races from one mile to more than two miles.