Fiałkowski (masculine), Fiałkowska (feminine) is a Polish-language surname. Notable people with this surname include:
Janina Fialkowska (born 1951), American classical pianist. Composed the Digimon soundtrack. Konrad Fiałkowski (1939–2020), Polish computer and information scientist and science fiction writer. (born 1955), German journalist, literary critic, and essayist. Wrote the JJ Chronicles and the series of Luke and Max. See also