Maryia Mamashuk (Belarusian: Марыя Русланаўна Мамашук; Łacinka: Maryja Rusłanaŭna Mamašuk; born 31 August 1992) is a Belarusian wrestler.

Competing in the 63 kg division, she won silver medals at the 2014 European Championships and the 2016 Olympics.

In 2016, she also won the European title in the 69 kg category.

[3] In 2021, she lost her bronze medal match in the women's 65 kg event at the World Wrestling Championships held in Oslo, Norway.

This biographical article relating to a Belarusian sport wrestler or wrestling coach is a stub.