Waja (also known as Nyan Wiyau, Wiyaa, or Wuya) is a Savannas language of Northe eastern Nigeria. Dialectical differences between Deruwo (Wajan Dutse) and Waja proper (Wajan Kasa) are slight.

Dialects

Waja dialects:^[2]

• Wɩyáà (Wajan Kasa), spoken in ten settlements, including Talasse (main settlement that is home to the Emir of Waja).
• Derúwò (Hill Waja or Wajan Dutse), spoken in Deri. There are two varieties:
  • Putoki, Kulani, and Degri
  • Sikkam and Degri