比利亚迭戈（西班牙语：Villadiego），是西班牙卡斯蒂利亚-莱昂布尔戈斯省的一个市镇。总面积328平方公里，总人口1924人（2001年），人口密度6人/平方公里。

Villadiego is a Spanish town and municipality located west of the province of Burgos, Castilla y León, in the council of Odra-Pisuerga. It is head of the council of that name. It is 39 kilometres from Burgos.

According to demographic data of 2013, it has a population of 1,637 inhabitants, making it the second largest town in the west of the province.