Kestilä is a village and former municipality of Finland. It is located in the province of Oulu and is part of the Northern Ostrobothnia region.

Established in 1867, the population was 536 as of 31 December 2015. The municipality covered an area of 606.53 km (234.18 sq mi) of which 5.09 km (1.97 sq mi) is water.

The municipality was unilingually Finnish.

The municipality was consolidated with Piippola, Pulkkila and Rantsila on 2009-01-01 to form a new municipality of Siikalatva.