Hans Jakob Reiter (26 November 1921 – 13 August 1992) was an Austrian mathematician working in analysis.
In 1953 he received his PhD from Rice University under Szolem Mandelbrojt with thesis Investigations in harmonic analysis.
[3][4] In 1952 he became an assistant at the University of Vienna and in 1971 obtained a professorial chair there, after years in various foreign academic positions, including an interval from 1964 to 1971 as a professor at the University of Utrecht.
Reiter's doctoral students include Hans Georg Feichtinger.
Reiter wrote the widely used textbook Classical Harmonic Analysis and Locally Compact Groups.