Mancera de Abajo is a village and municipality in the province of Salamanca, western Spain, part of the autonomous community of Castile-Leon. It is located 48 kilometres (30 mi) from the provincial capital city of Salamanca and has a population of 225 people.

The municipality covers an area of 23 km (8.9 sq mi). It lies 898 metres (2,946 ft) above sea level and the postal code is 37315.

• The basis of the economy is agriculture.

• List of municipalities in Salamanca