For the poet and dramatist, see Itzhak Katzenelson.

Yitzhak Katznelson (Hebrew: יצחק קצנלסון‎; born 1934) is an Israeli mathematician.

Katznelson was born in Jerusalem. He received his doctoral degree from the University of Paris in 1956.[1] He is a professor of mathematics at Stanford University.

He is the author of An Introduction to Harmonic Analysis, which won the Steele Prize for Mathematical Exposition in 2002.[2]

In 2012 he became a fellow of the American Mathematical Society.[3]