Lev Vladimirovich Pisarzhevsky (also transliterated as Pisarzhevskii: Russian: ??? ?????´??????? ???????´?????; 13 February 1874 – 23 March 1938) was a Ukrainian Soviet chemist who studied peroxides, peracids, and solutions.
His contribution to the theory of catalysis is best known for his attempt to relate the catalytic properties of solids to their electronic properties.