Roman Sikorski (July 11, 1920 – September 12, 1983) was a Polish mathematician.

Sikorski was a professor at the University of Warsaw from 1952 until 1982.

Since 1962, he was a member of the Polish Academy of Sciences.

Sikorski's research interests included: Boolean algebras, mathematical logic, functional analysis, the theory of distributions, measure theory, general topology, and descriptive set theory.

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