Leibler may refer to:
People Richard Leibler (born 1914), American mathematician Ludwik Leibler (born 1951), French physicist Isi Leibler (1934–2021), Belgian-born Australian-Israeli Jewish leader Mark Leibler (born c. 1945), Australian lawyer and Jewish activist, brother of Isi Stanislas Leibler (born 1959), French-American physicist
Other Kullback–Leibler divergence, a measure of information in probability theory Leibler Yavneh College, a Jewish day school in Melbourne, Australia
See also Liebler, a surname