Iryna Henadzeuna Zhuk, née Yakaltsevich (Belarusian: Ірына Генадзеўна Жук (Якалцэвіч); born 26 January 1993), is a Belarusian athlete specialising in the pole vault.

[3] She represented her country at the 2016 Summer Olympics without qualifying for the final.

In 2021, Zhuk tied for third at the European Athletics Indoor Championships with Holly Bradshaw.

Zhuk competed at the 2020 Summer Olympics, this time reaching the final.

She is married to Belarusian athlete Vital Zhuk.