Viktor Vasilyevich Dilman, also spelled Dil'man (Russian: ?????? ?????????? ???????, born March 11, 1926 in Proskurov (now Khmel’nitskiy), Ukrainian SSR, Soviet Union) is a Russian scientist performing research for USPolyResearch.
He is best known for his work in chemical engineering and hydrodynamics including the approximate methods for solving nonlinear differential equations of mass, heat, and momentum transfer; mathematical modeling of chemical reactor processes and catalytic distillation; heat, mass, and momentum transfer in turbulent flow; fluid dynamics in granular beds; surface convection (Marangoni instability), absorption, and molecular convection.