Anastassya Kudinova (born February 27, 1988) is a Kazakhstani sprinter. She competed at the 2016 Summer Olympics in the women's 400 metres race; her time of 56.03 seconds in the heats did not qualify her for the semifinals. She failed an out-of-competition doping test in July 2016 and was given a four-year ban started from 17 August that year and had her Olympic performance annulled.