Alesia Mikhaylovna Zaitsava (, ; born 14 August 1985) is a Belarusian badminton player. She competed for Belarus at the 2012 Summer Olympics in the women's singles event, but did not advance to the knock-out stage after being defeated by Petya Nedelcheva of Bulgaria and Adriyanti Firdasari of Indonesia in the group stage. She started playing badminton in 1993, and became part of the Belarusian national badminton team in 1996.
Women's singles
Women's doubles
Mixed doubles