2012–13 FC Mordovia Saransk season

The 2012–13 Mordovia Saransk season was their 1st season back in the Russian Premier League, the highest tier of association football in Russia. They finished the season in 15th place, meaning they were relegated back to the Russian National Football League after only one season in the Premier League. Mordovia also participated in the 2012–13 Russian Cup, getting knocked out at the Round of 16 stage by Zenit St. Petersburg.

Summer
In:

Out:

Winter
In:

Out:

Appearances and goals

 * colspan="14"|Players away from the club on loan:
 * colspan="14"|Players away from the club on loan:


 * colspan="14"|Players who appeared for Mordovia Saransk no longer at the club:
 * colspan="14"|Players who appeared for Mordovia Saransk no longer at the club:


 * }