Olga Nikolaevna Anstei also Olga Anstey (1 March 1912 – 30 May 1985; Ukrainian: Ольга Анстей), was a Jewish-Ukrainian émigré poet from Kiev. She was the wife of poet Ivan Elagin (Ukrainian: Іван Єлагін). Olga Anstei is best remembered for writing about the Holocaust. Her "Kirillovskie iary" (another name for Babi Yar) written in 1943, was one of the first-ever literary works on the subject of 1941 massacre of Ukrainian Jews in Kiev. She is buried at the Russian Orthodox Convent Novo-Diveevo in Nanuet, New York.