Zaika or Zayka (Russian: Заика or Зайка) is a gender-neutral Russian surname originating either from the noun заика (stutterer) or зайка (bunny). The surname may refer to the following notable people: Ilia Zaika (born 2002), Russian artistic gymnast Kirill Zaika (born 1992), Russian football player Mikhail Zaika (born 1981), Russian serial killer Yakov Zayka (born 1991), Russian football player
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