Paul Müller may refer to: Paul Muller (actor) (1923–2016), Swiss actor Paul Müller (biologist) (1941–2010), German biologist Paul Müller (gymnast) (born 1946), Swiss Olympic gymnast Paul Müller (ice hockey) (1886–?), Swiss ice hockey player Paul Hermann Müller (1899–1965), Swiss chemist Paul J. Mueller (1892–1964), United States Army officer Paul Milford Muller (1937–2013), American engineer and businessman Paul O. Müller, German physicist Paul Mueller, alleged early 20th century serial killer responsible for between 40 and 100 deaths in the United States and Germany Paul Heinrich Theodor Müller, German member of the SS at Auschwitz concentration camp