Deutsch
Deutsch is:- the German word for German
- a misspelling of the word Dutch
- One of the three cognates of medieval Dietsch
- David Deutsch
- Otto Erich Deutsch, who listed all of Schuberts works in a catalogue: by extension Deutsch or D can refer to the catalogue itself, where every composition of Schubert has a separate number. See also: List of compositions by Schubert.
- Diana Deutsch: Deutsch's scale illusion, Deutsch's high-low illusion, Deutsch tritone paradox