|Died||April 30, 2018 (aged 73)|
|Alma mater||Московский Государственный Университет|
|Known for||Important contributions to ergodic theory and dynamical systems|
|Fields||Mathematics – Dynamical Systems|
|Doctoral advisor||Yakov Sinai|
|Doctoral students||Ralf J. Spatzier|
Anatole Borisovich Katok (Russian: Анатолий Борисович Каток; August 9, 1944 – April 30, 2018) was an Russian-American mathematician. Katok was the Director of the Center for Dynamics and Geometry at the Pennsylvania State University. His field of research was the theory of dynamical systems.