Muzychuk (, ) is a gender-neutral Ukrainian surname. People with that name include: Anna Muzychuk (born 1990), Ukrainian chess player, sister of Mariya Mariya Muzychuk (born 1992), Ukrainian chess player, sister of Anna Oleksandr Muzychuk (born 1973), Ukrainian law scientist, lawyer. Doctor of Law (2010), professor (2011), Honored Lawyer of Ukraine (2016).