Arkady Vainshtein (born February 24, 1942) is a Russian and American theoretical physicist who was awarded Pomeranchuk Prize (2005) and Sakurai Prize (1999) for theoretical physics. 
Vainshtein was born on February 24, 1942 in Novokuznetsk, Russia. He got his Ph.D. from Budker Institute of Nuclear Physics in Novosibirsk, Russia and Master's degree from Novosibirsk University where he became a Professor. He was the director of William I Fine Theoretical Physics Institute, University of Minnesota where he currently serves as the Gloria Becker Lubkin chair and also holds a position as Professor since 1990. In 1997 her became a fellow at the APS and two years later was awarded Sakurai Prize. In 2004 he started to work for Kavli Institute for Theoretical Physics in Santa Barbara, California and a year later was awarded Pomeranchuk Prize from the Institute for Theoretical and Experimental Physics, Moscow.