Pyotr Ivanovich Pochynchuk (; ) (July 26, 1954 – December 1, 1991) was a Soviet athlete who mainly competed in the men's 20 kilometer walk during his career.
Born on July 26, 1954, Pyotr Ivanovich Pochynchuk (; ) competed as a Soviet athlete specializing in the men's 20 kilometer walk during his active years.