Marie Susan "Sue" Walther (later Bilski, later Kuhlman; born December 8, 1944) is a retired American artistic gymnast. She won two gold and two bronze medals at the Pan American Games in 1963 and 1967.^[2] She competed at the 1964 Summer Olympics with the best individual result of 29th place in the floor exercise.^[1] Her sister Jackie was also a competitive gymnast.^[3]