Horse Racing - Derby, owner with most wins
- Who
- 3rd Earl of Egremont and HH Aga Khan III
- What
- 5 total number
- When
- 01 January 0001
5 wins were achieved by the owners The 3d Earl of Egremont, between 1782 and 1826, and by HH Aga Khan III, between 1930 and 1952.