Chapadinha is a Brazilian municipality in the state of Maranhão.

It is located 235 km south-east of the state capital São Luís.

The municipality lies in the Munim River basin.

[2] The municipality contains the 11,971 hectares (29,580 acres) Chapada Limpa Extractive Reserve, created in 2007.

[3] Chapadinha experiences a tropical savanna climate (Köppen: Aw) with hot temperatures and distinct wet and dry seasons.