Rex Ellsworth
| Rex Ellsworth | |
|---|---|
| Born | November 15, 1907 | 
| Died | August 24, 1997 (aged 89) Chino, California, United States | 
| Resting place | Safford City Cemetery, Safford, Arizona | 
| Occupation | Thoroughbred racehorse owner/breeder | 
| Known for | Thoroughbred horses: Swaps, Candy Spots, Olden Times, Prove It, Prince Royal, Terrang, The Scoundrel | 
| Spouse | Nola Zobedia | 
| Parent | William Ellsworth & Mary Elizabeth Wanslee | 
Rex Cooper Ellsworth (November 15, 1907 – August 24, 1997) was a major owner in Thoroughbred racing and twice the leading breeder in the United States whose story was featured with a cover of the February 25, 1963 edition of Sports Illustrated magazine.