Ksenia Mikhailovna Sitnik (,  "Ksienija Michajlaŭna Sitnik"; ,  "Kseniya Mikhaylovna Sitnik"; born 15 May 1995), sometimes also transliterated as Kseniya Sitnik or Xenia Sitnik, is a Belarusian singer. She represented Belarus in the Junior Eurovision Song Contest 2005, which she won with the self-penned song "My vmeste" (We Are Together).