Yuriy Platonov (Russian: Юрий Петрович Платонов; born 19 July 1945) is a Russian psychologist, professor and rector of St. Petersburg State Institute of Psychology and Social Work.

Platonov was born on July 19, 1945, in Crimean Region, USSR.

After graduating from the faculty of psychology of Leningrad State University in 1975 he continued to work at the university as a lecturer and head of the department.

In 1992, by the initiative of Platonov, the City Administration of Saint Petersburg issued decree on establishing a new higher education institution, oriented at providing training in psychological and social work, which later became St. Petersburg State Institute of Psychology and Social Work.

Platonov has since remained its rector.