The Udmurts are a people who speak the Udmurt language.

Throughout history they have been known in Russian as Chud Otyatskaya, Otyaks, Wotyaks or Votyaks and in Tatar as Ar.There have been claims that they are the "most redheaded" people in the world.

The long-extinct Budini tribesmen, said to have been precursors of the modern Udmurts, were described as being predominantly red-headed by the ancient Greek historian Herodotus.