Umarizal is a microregion in the Brazilian state of Rio Grande do Norte.

Municipalities

The microregion consists of the following municipalities:

• Almino Afonso
• Antônio Martins
• Frutuoso Gomes
• João Dias
• Lucrécia
• Martins
• Olho-d'Água do Borges
• Patu
• Rafael Godeiro
• Serrinha dos Pintos
• Umarizal