Antoaneta Kostadinova, née Boneva (; born 17 January 1986) is a Bulgarian female sport shooter. At the 2012 Summer Olympics, she competed in the Women's 10 metre air pistol and the women's 25 metre pistol. At the 2020 Summer Olympics, she won a silver medal in the Women's 10 metre air pistol. She lost a shoot out in Women's 25 metre pistol, to finish fourth.