Leonid Petrovich Tatarinov (Russian: ?????? ???????? ?????????; November 12, 1926 — August 24, 2011) is a Russian and Soviet paleontologist and evolutionary biologist.
Academician of the USSR Academy of Sciences (1981) and Russian Academy of Sciences (1991).
Director of the Paleontological Institute (1975 - 1992).
Editor in Chief of Paleontological journal (Russian: ?????????????????? ??????) (1976 - 2001).
His research interests: comparative anatomy of vertebrates, tetrapod phylogeny, evolution of the common problems.