Viktor Pavlovich Maslov (Russian: ?????? ???????? ??????; born 15 June 1930, in Moscow) is a Russian physicist and mathematician.
He is a member of the Russian Academy of Sciences.
He obtained his doctorate in physico-mathematical sciences in 1957.
His main fields of interest are quantum theory, idempotent analysis, non-commutative analysis, superfluidity, superconductivity, and phase transitions.
He is editor-in-chief of Mathematical Notes and Russian Journal of Mathematical Physics.
The Maslov index is named after him.
He also introduced the concept of Lagrangian submanifold.