Yekaterina Nikolayevna Mulyuk-Timofeyeva or Katsiaryna Mikalayeuna Muliuk (Belarusian: Кацярына Мікалаеўна Мулюк; Russian: Екатерина Николаевна Мулюк-Тимофеева; born 13 November 1976) is a Belarusian archer.

She competed in the individual event at the 2008 and 2012 Summer Olympics and finished in 23rd and 17th place, respectively.

She won a silver team medal at the 2013 World Archery Championships.

She graduated from the Mozyr State Pedagogical University in Belarus with a degree in pedagogy in physical education.

[2] This biographical article relating to a Belarusian archery figure is a stub.