Elniki is a settlement in Mordovia, the administrative center of the Elniki District since 1935.

It is also the administrative center of Elnikovsky rural settlement that includes the settlements of Elniki and Peredovoi.

It stands on River Malaya Varma, 137 kilometers to the northwest of Saransk.

Its population makes 5 905 people (as of 2010).

Elniki was founded at the end of the 16th century.