1966 Wimbledon Championships – Mixed doubles
Ken Fletcher and Margaret Smith successfully defended their title, defeating Dennis Ralston and Billie Jean King in the final, 4–6, 6–3, 6–3 to win the mixed doubles tennis title at the 1966 Wimbledon Championships.
Seeds
Ken Fletcher / Margaret Smithn/a
Dennis Ralston / Billie Jean King
Fred Stolle / Françoise Dürr ''''