Erwin Lendvai (4 June 1882, in Budapest – 21 March 1949 in Epsom, Surrey) was a Hungarian composer and choral conductor.
He graduated from the National Music Academy of Budapest, studying with Hans von Koessler.
From 1914 to 1920, he taught composition at the Klindworth-Scharwenka Conservatory in Berlin and in 1923 choral singing at the Volksmusikschule in Hamburg.
In 1933, he emigrated from Germany due to the Nazi regime and after that worked as a music teacher in Kenninghall, England.
Lendvai wrote one opera, Elga (1916, to a libretto by Gerhart Hauptmann), the festival music Völkerfreiheit (1930), a symphony, Archaic dances, Scherzo for orchestra, 3 Pieces for organ Op.