Anthony Claude Leach Jr., known as Buddy Leach (March 30, 1934 – August 6, 2022), was an American businessman, lawyer, military veteran, and Democratic politician from Louisiana. From 1979 to 1981, he served one term as a U.S. representative for Louisiana's 4th congressional district. He also served as a member of the Louisiana House of Representatives and as chairman of the Louisiana Democratic Party.
