Ludmila Yevgenyevna Belousova (Russian: ??????? ?????????? ?????????; 22 November 1935 – 26 September 2017) was a Russian pair skater who represented the Soviet Union.
With her partner and husband Oleg Protopopov she was a two-time Olympic champion (1964, 1968) and four-time World champion (1965–1968).
In 1979, the pair defected to Switzerland and became Swiss citizens in 1995.
They continued to skate at ice shows and exhibitions through their seventies.