Jean Mill (May 14, 1926 – June 6, 2018) was cat breeder and a conservationist who worked to protect the Asian leopard cat.
Mill is best known as the founder of the modern Bengal cat breed: Mill successfully crossed the wild Asian leopard cat with a domestic cat, and then backcrossed the offspring through five generations to create the domestic Bengal.
Mill made contributions in two other cat breeds: the Himalayan and the standardized version of the Egyptian Mau.
Jean and her first husband Robert Sugden were involved in a precedent-setting case about the United States government's power to monitor short wave radio communications.