Santa Anita Derby
- Stakes: Grade I for 3-year-old thoroughbreds
- Distance: 1 1/8 miles
- Track: Dirt
- Purse: $750,000
The Santa Anita Derby is considered the most important 3-year old race in the West run at Santa Anita Park in Arcadia, California.
The Santa Anita Derby has a rich history as an important prep race for the Kentucky Derby, which leads to the Triple Crown big event for thoroughbred horse racing. It has yielded Kentucky Derby winners such as Silver Charm, Sunday Silence, and Winning Colors plus Triple Crown winner Affirmed.
With a total purse of US$750,000, the Santa Anita Derby is a Grade I stakes race for three year old thoroughbred horses, run at a distance of 1 1/8 miles (9 furlongs) on the dirt. The Santa Anita Derby stands out with the third highest number of winners - at a total of 14 - who have made it to the Kentucky Derby.