Lev Petrovich Pitaevskii (Russian: ??? ?????´??? ????´?????? ['l??f p??'trov??t? p??'taj?fsk??j]; born 1933) is a Russian theoretical physicist, who made contributions to the theory of quantum mechanics, electrodynamics, low-temperature physics, plasma physics, and condensed matter physics.
Together with Evgeny Lifshitz and Vladimir Berestetskii, Lev Pitaevskii has also been the co-author of a few volumes of the influential Landau–Lifschitz Course of Theoretical Physics series.