Peter Erasmus Müller
Peter Erasmus Müller is the name of the following people:
- Peter Erasmus Müller (Bishop) (1776–1834), Danish historian, linguist and clergyman, Bishop of Roskilde
- Peter Erasmus Müller (botanist) (1840–1926), Danish botanist
- Peter Erasmus Lange-Müller (1850–1926), Danish composer