Dmytro Nytczenko (Ukrainian: ?????? ????????; literary pseudonyms: Dmytro Chub or Ostap Zirchasty; February 21, 1905, Zinkiv, Poltava, Ukraine – May 27, 1999, Melbourne, Australia) was a Ukrainian-born literary critic, novelist, memoirist, editor, literary researcher, teacher, and social activist who lived and worked in Australia.
He was a laureate of the Skovoroda and Volodymyr Antonovych Prizes, and a member of the Writer's Union of Ukraine.