Fuenteguinaldo is a village and large municipality in the province of Salamanca, western Spain, part of the autonomous community of Castile-Leon. It is located 111 kilometres (69 mi) from the provincial capital city of Salamanca and has a population of 860 people.
The municipality covers an area of 102 km2 (39 sq mi). It lies 860 metres (2,820 ft) above sea level and the postal code is 37540.