Anastasiia Andriyivna Rybachok (Ukrainian: Анастасія Андріївна Рибачок; born 13 April 1998, until recently Chetverikova, Четверікова) is a Ukrainian sprint canoeist.

[1] She is a two-time Olympic medalist and won silver medals in the women's C-2 500 metres events with Liudmyla Luzan at the 2020 Tokyo Olympics and the 2024 Paris Olympics.

[2][3] Rybachok is also a world champion and two-time European champion in the C-2 500 metres.

She won her first senior international medal at the 2019 ICF Canoe Sprint World Championships.

This article about a Ukrainian canoeist is a stub.