Mykola Viktorovych Avilov (Ukrainian: Микола Вікторович Авілов, Russian: Николай Викторович Авилов, born 6 August 1948) is a retired Ukrainian Soviet decathlete who competed at the 1968, 1972 and 1976 Olympics.

He won a gold medal in 1972, setting a new world record, a bronze in 1976, and finished fourth in 1968.

Unusually tall for his time Avilov first played basketball, then changed to high jump in 1962, and only in 1966 turned to decathlon.

He then coached athletics in Ukraine, Iraq, China, Egypt and the Seychelles.

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