Polina Alexeyevna Egorova (; born on 25 February 2000) is a Russian butterfly and backstroke swimmer. She is two-time Youth Olympic Games champion (2018) and six-time European Games champion (2015).
Polina was born in Salavat, Bashkortostan. Her first coach is Hanif Skafikov.
Polina competed at the 2015 European Games in Baku, Azerbaijan. She became a six-time champion, won gold medals in 100 and 200 m backstroke, 50 and 100 m butterfly and two-times in relays.