Johann Müller
Johann Müller may refer to:
- Regiomontanus, German mathematician, astronomer, astrologer, translator, instrument maker and Catholic bishop
- Johann Müller (composer), German composer and organist
- Johann Friedrich Theodor Müller, German biologist and physician who emigrated to southern Brazil
- Johann Gotthard von Müller, German line engraver
- Johann Heinrich Jakob Müller, German physicist
- Johann Helfrich von Müller, German engineer; inventor of the difference engine
- Johann Jakob Müller, Swiss physiologist and physicist
- Johann Jakob Müller (philosopher), German moral philosopher
- Johann Wilhelm von Müller, German ornithologist and explorer
- Johann Müller Argoviensis, Swiss botanist
- Johann Müller (footballer)