|Was||Musician Conductor Composer Pianist|
|Birth||9 April 1863, Wuppertal, Düsseldorf Government Region, North Rhine-Westphalia, Germany|
|Death||12 June 1942, Cologne, Cologne Government Region, North Rhine-Westphalia, Germany (aged 79 years)|
Ernst Heuser (1863–1942) was a German pianist, teacher and composer of classical music.
Heuser was born 9 April 1863 in Elberfeld, and died 12 June 1942 in Köln.
His students at the Conservatorium der Musik in Coeln included Felix Borowski, and his compositions included a piano trio, an opera Aus Grosser Zeit, and other works.