Aida Nikolaychuk (born 3 March 1982) is a Ukrainian singer. She auditioned for Season 3 of X-Factor Ukraine and made it all the way to the final as part of the Over 25s category mentored by Ihor Kondratiuk.
She was crowned the winner defeating Eugene Litvinkovich also from the Over 25s category. Both Over 25s were mentored by Ihor Kondratiuk.