Kirill Anatolyevich Zaika (; born 7 October 1992) is a Russian professional football player who plays as wide midfielder (on left or right) for PFC Sochi. He also played as left-back and right-back.
He made his Russian Football National League debut for FC Khimki on 11 July 2016 in a game against FC Tosno. He made his Russian Premier League debut for PFC Sochi on 1 March 2020 in a game against FC Arsenal Tula, as a starter.
Zaika was called up to the Russia national football team for the first time for a training camp in March 2022, at the time of Russia's suspension from international football.
His wife Anna Cholovyaga is a former player for the Russia women's national football team.