Alexander Nabutovsky is a Canadian mathematician specializing in differential geometry, geometric calculus of variations and quantitative aspects of topology of manifolds. He is a professor at the University of Toronto Department of Mathematics. Nabutovsky earned a Ph.D. degree from the Weizmann Institute of Sciencein 1993; his advisor was Shmuel Kiro. He was an invited speaker on "Geometry" at International Congress of Mathematicians, 2010 in Hyderabad.