Irina Nikolayevna Bykova (Russian: Ирина Николаевна Быкова; born 6 July 1993) is a Kazakhstani cross-country skier who competes internationally.

She competed for Kazakhstan at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

She competed at the 2022 Winter Olympics, in Women's 30 kilometre freestyle, Women's sprint, and Women's 4 × 5 kilometre relay.

[1] All results are sourced from the International Ski Federation (FIS).

[2] This biographical article relating to Kazakhstani cross-country skiing is a stub.