Pyotr Ivanovich Zinchenko (???? ???????? ????????) (1903 – 1969) was a Soviet developmental psychologist, a student of Lev Vygotsky and Alexei Leontiev and one of the major representatives of the Kharkov School of Psychology.
In 1963, Zinchenko founded and headed the department of psychology at Kharkiv University until his death in 1969.
His son is a contemporary Russian psychologist Vladimir Petrovich Zinchenko.