| Roman Sikorski | |
| Birth Date: | July 11, 1920 |
| Birth Place: | Mszczonów near Grodzisk Mazowiecki |
| Death Place: | Warsaw |
| Nationality: | Polish |
| Fields: | Mathematics |
| Workplaces: | University of Warsaw |
| Alma Mater: | University of Warsaw |
| Doctoral Advisor: | Andrzej Mostowski |
| Known For: | Rasiowa–Sikorski lemma |
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.