Mehler is a German surname that may refer to:
Barry Mehler (born 1947), Jewish-American professor of humanities at Ferris State University Gustav Ferdinand Mehler (1835–1895), German mathematician Jacques Mehler, cognitive psychologist specializing in language acquisition Jay Mehler (born 1971), musician from Philadelphia, United States Johann Baptist Mehler (died 1930), German Catholic priest, prelate, and religious writer John Mehler (born 1948), Californian drummer for Love Song, Spirit of Creation, Noah and other bands Kenny Mehler (born 1987), American musician and singer-songwriter Tobias Mehler (born 1976), Canadian actor who has appeared in film and television productions
See also Mehler function or conical functions, introduced by Gustav Ferdinand Mehler in 1868 Mehler kernel, the propagator of the Hamiltonian for the quantum harmonic oscillator Mehler reaction, also known as Photorespiration, a process in plant metabolism Fock-Mehler transform, an integral transform introduced by Mehler (1881) and rediscovered by Fock (1943) Heine-Mehler formula describes the asymptotic behavior of the Legendre polynomials as the index tends to infinity Meher (disambiguation) Mehl Mehle Methler