Edward Smith-Stanley, 12th Earl of Derby (1775-1851), was a British nobleman and politician. He served as a Member of Parliament and held the position of Lord Lieutenant of Lancashire. The Earl was known for his involvement in local governance and his contributions to the Conservative Party. He was also a prominent figure in the world of horse racing, owning several successful racehorses. The Earl's estate, Knowsley Hall, was a center of social and political activity, reflecting his status in British society. His legacy includes a strong connection to both politics and equestrian sports.