Yulyana Yushchanka (Belarusian: Юльяна Юшчанка, née Жалнярук, Zhalniaruk; born 14 August 1984) is a Belarusian sprinter who specializes in the 400 metres.
In 2006 Zhalniaruk won silver medals in 4 x 400 metres relay at the World Indoor Championships (with teammates Natallia Solohub, Anna Kozak and Ilona Usovich) and the European Championships (with Sviatlana Usovich, Kozak and I. Usovich).
Her personal best time is 51.46 seconds, achieved in May 2006 in Brest.