Achille C. Varzi (born May 8, 1958) is an Italian-born philosopher. He graduated at University of Trento and received a master's and doctoral degree at the University of Toronto. He teaches at Columbia University, where he has been a member of the philosophy faculty since 1995. Varzi is also Bruno Kessler Honorary Professor at the University of Trento and, since 2017, Visiting Professor at the University of Italian Switzerland.