Karl Müller may refer to:

• Karl Müller (astronomer) (1866–1942), Austrian astronomer
• Karl Müller (botanist) (1817–1870), German botanist and mycologist
• Karl Müller (botanist, born 1893) (1893–1955), German botanist
• Karl Müller (bryologist) (1818–1899), German bryologist
• Karl Müller (bryologist, born 1881) (1881–1955), German bryologist
• Karl Müller (inventor) (born 1952), Swiss inventor and engineer
• Karl Müller (rower) (1912–?), Swiss Olympic rower
• Karl H. Müller (born 1953), Austrian social scientist
• Karl-Heinz Müller (born 1948), Austrian Olympic fencer
• Karl Otfried Müller (1797–1840), German classical scholar and admirer of Dorians and Spartans
• Karl Wilhelm Ludwig Müller (1813–1894), German classical scholar and editor of Fragmenta Historicorum Graecorum
• K. Alex Müller (Karl Alexander Müller, 1927–2023), Swiss physicist, 1987 Nobel Prize
• Karl Müller (politician, born 1884) (1884–1964), German politician

• Karl von Müller (1873–1923), German naval captain
• Karl Mueller (1963–2005), U.S. rock musician
• Carl Muller (1935–2019), Sri Lankan writer
• Carl A. Muller (1913–1991), Canadian politician
• Carl Otto Müller (1901–1970), German painter

Topics referred to by the same term

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