Social comparison is a valuable source of social cognition and personal quality informa- tion there is growing body of research on this topic in social and clinical psychology. So- cial psychologist’s studies demonstrate that social comparison orientation is an impor- tant individual trait. Special 11-item’s instrument The Iowa-Netherlands Comparison Orientation Measure (INCOM) designed for its accurate assessment has been validated in American, Netherland and German samples. Russian version of INCOM has never been developed and validated in Russian samples. Aiming at the filling of this gap the task was installed in the project on social cognition research (grunt RSF №14-18-03461). Article presents the results of the instrument reliability and validity establishment among Russian students. Two series of factor analysis confirmed two-factor instrument struc- ture in the sample of 580 students. Acceptable scores of internal consistency and external validity of INCOM has been established along with its high test-retest reliability.