Hermann Müller
Hermann Müller may refer to:
- Hermann Müller (German botanist), German botanist with whom Darwin corresponded
- Hermann Müller (Swiss botanist), Swiss botanist
- Hermann Müller (cyclist), German cyclist
- Hermann Müller (politician, born 1876), German Social Democratic politician and twice chancellor of Germany
- Hermann Müller (politician, born 1935), German politician, mayor of Idstein
- Hermann Müller (racewalker), German race walker
- Hermann Joseph Muller, American geneticist and educator, Nobel laureate in Physiology and Medicine
- Paul Hermann Müller, Swiss chemist, Nobel laureate in Physiology and Medicine
- Hermann Paul Müller, German motorcycle and auto racer driver
- Herman Carl Mueller, German-born American ceramicist