Seridó Oriental is a microregion in the Brazilian state of Rio Grande do Norte. It has a total area of 3,825.73 square kilometers (1,477.1 sq mi).

Municipalities

The microregion consists of the following municipalities:

• Acari
• Carnaúba dos Dantas
• Cruzeta
• Currais Novos
• Equador
• Jardim do Seridó
• Ouro Branco
• Parelhas
• Santana do Seridó
• São José do Seridó