Bolshie Berezniki is a settlement, the administrative center (from 1935) of the Bolshie Berezniki District in the Republic of Mordovia.

It stands on River Bolshaya Ksha at its confluence into Sura.

Bolshie Berezniki has the population of 6547 people (as of 2005).

It is also the administrative center of the Bolshie Berezniki rural settlement which includes the villages Nikolaevka, Mariupol and Prisursky.

Bolshie Berezniki was founded as one of the Russian sentry posts for protection against incursions of the Nogai hordes in the 17th century.

It is located 58 km away from Saransk, connected to it with a highway, and 30 km away from the railway station of Chamzinka.