Abdurrahman Fatalibeyli (birth surname Dudanginski, (Russian: ??????????? ???????????-????????????, Azerbaijani: ?drürr?hman b?y F?t?lib?yli-Düd?nginski) or Abo Alioglu Fatalibeyli-Dudanginsky ??? ??????? ???????????? / ?bo ?liyeviç Düd?nginski), born Abo Dudanginski (12 June 1908, Dudanga – November 1954, Munich) was a Soviet army major who defected to the German forces during World War II.