Igor Gayniachmetovich Badamshin (Russian: Игоръ Гайниахметович Бадамшин) (12 June 1966 – 24 January 2014) was a Soviet/Russian cross-country skier who competed from 1989 to 1997.

Badamashin's best individual finish at the Winter Olympics was 14th at the 50 km event in 1994.

In his later years, Badamshin resided with his wife, triple Olympic champion Nina Gavrylyuk, in the American state of Wisconsin.

[1] All results are sourced from the International Ski Federation (FIS).

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