Wilhelm Carl Gottlieb Müller (September 25, 1880 – June 16, 1968) was a German physicist, mathematician, and philosopher.
He is best known as the successor of Arnold Sommerfeld as Professor of Theoretical Physics at the University of Munich.
He studied at Leipzig University and earned his Rigorosum in mathematics, physics, and philosophy with the grade "very good".
He went on to earn his PhD with Otto Hölder and Karl Rohn and a dissertation called "The rational curve of degree five in the five-, four-, three- and two-dimensional space" in 1911.
In 1934 he accepted a position as professor and director of the Aeronautical Institute at RWTH Aachen University.