Sourav Chatterjee FRS (born 26 November 1979)[1] is an Indian Bengali mathematician from West Bengal, specializing in mathematical statistics and probability theory.

Chatterjee is credited with work on the study of fluctuations in random structures, concentration and super-concentration inequalities, Poisson and other non-normal limits, first-passage percolation, Stein's method and spin glasses.

In July 2009 he became an associate professor of statistics and mathematics at University of California, Berkeley.

[6] He spent the academic year 2012–2013 as a visiting associate professor of mathematics and statistics at Stanford University.

Since autumn 2013 he has joined the faculty of Stanford University as a full professor with joint appointments in the departments of Mathematics and Statistics.