Olga Alekseyevna Nikitina (Russian:Ольга Алексеевна Никитина,IPA:[ˈolʲɡənʲɪˈkʲitʲɪnə]; born 26 November 1998) is a Russian right-handed sabrefencer, 2019 team European champion, 2019 team world champion, and 2021 team Olympic champion. Nikitina was part of the gold medal-winning Russian team at the 2019 World Fencing Championships held in Budapest, Hungary. She is a Russian Armed Forces athlete, and her clubs are the Russian Central Sports Army Club, and Moscow Sports School of Olympic Reserve No.42.