Mikhail Devyatyarov Jr. (born 11 November 1985 in Chusovoy, Perm Krai) is a Russian cross-country skier who competed between 2003 and 2017.

At the 2010 Winter Olympics in Vancouver, he finished eighth in the individual sprint event.

Devyatyarov also finished 15th in the individual sprint at the FIS Nordic World Ski Championships 2007 in Sapporo.

He is the son of Mikhail Devyatyarov, who competed for the Soviet Union and Russia from 1982 to 1992, winning gold in the 15 km event at the 1988 Winter Olympics in Calgary.

This biographical article relating to Russian or former Soviet cross-country skiing is a stub.