Antoni Cieszyński (b. 31 May 1882 in Oels (Oleśnica), Silesia, Germany - 4 July 1941 in Lwów, Poland) was a Polish physician, dentist and surgeon.
Antoni was professor and head of the Institute of Stomatology at the Lviv University. He was an editor and publisher of the "Polska Dentystyka" since 1930 renamed to "Polska Stomatologia" (Polish Stomatology) and "Słowiańska Stomatologia" (Slavic Stomatology) magazines. He was murdered by the Germans in Lviv during the Massacre of Lviv professors.