The Mordvins also Mordva, Mordvinians, Mordovians (Erzya self name Erzya: эрзят/Erzyat, Moksha self name Moksha: мокшет/Mokshet, Tatar: мухшилар/Muhshilar, Russian name for Moksha and Erzya Russian: мордва/Mordva, for Qaratai Russian: каратаи/Karatayi) are the members of a people speaking a Mordvin language of the Uralic language family and living mainly in Mordοvia republic and other parts of the middle Volga River region of Russia.

The Mordvins are one of the larger indigenous peoples of Russia. They identify themselves as separate ethnic groups: the Erzya and Moksha, besides the smaller subgroups of the Qaratay, Teryukhan and Tengushev (or Shoksha) Mordvins who have become fully Russified or Turkified during the 19th to 20th centuries.

The music of the Republic of Mordovia has a long history. The Republic of Mordovia is a federal subject of Russia (a republic). Its national anthem is "Shumbrat, Mordovia!" (Hail, Mordovia!) by Sergey Kinyakin and Nina Kosheleva, adopted in 1995.

Mordovian folk music has become an inspiration for revivalist work of contemporary groups, such as Toorama. Among the traditional Mordvin musical instruments is the puvama, a double-chantered bagpipe. Bakich Vidiai is an Erzya pop singer.