Trading Leather was an Irish Thoroughbred racehorse best known for winning the 2013 Irish Derby. The horse died following an injury sustained in the 2014 Japan Cup.

The Irish Derby is a Group 1 flat horse race in Ireland open to three-year-old thoroughbred colts and fillies. It is run at the Curragh over a distance of 1 mile and 4 furlongs, and it is scheduled to take place each year in late June or early July.