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 international Jewish leader
- Mark Leibler (b. ca. 1945), Australian lawyer and Jewish activist, younger brother of Isi Leibler
- 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