Kiryl Pyachenin (; ; born 18 March 1997) is a Belarusian professional footballer who plays as a left-back for Russian club Krylia Sovetov Samara as well as the Belarus national team.
On 12 January 2024, Pyachenin's contract with Orenburg was terminated by mutual consent.
On 21 February 2024, Pyachenin signed a 2.5-year contract with Krylia Sovetov Samara.
Dinamo Brest