阿戈斯特（西班牙语：Agost），是西班牙巴伦西亚自治区阿利坎特省的一个市镇。总面积67km，总人口4193人（2001年），人口密度63人/km。

Agost (Valencian pronunciation: [aˈɣost]) is a Valencian town and municipality located in the province of Alicante, Spain, at a distance of about 18 kilometres (11 mi) from Alicante, the capital of the province. Due to its relative distance from the Mediterranean Sea, Agost was not directly affected by the mass tourism that the towns on the Costa Blanca experienced, and has maintained its local character.