Quintanilla de Onsoña
municipality
Quintanilla de Onsoña Location of Quintanilla de Onsoña in Spain
Coordinates: 42°28′08″N 4°39′51″W / 42.46889°N 4.66417°W / 42.46889; -4.66417
Country	Spain
Autonomous community	Castile and León
Province	Palencia
Established	1000 AC
Government
• Mayor	María Teresa Carmona Crespo (PP)
Area
• Total	51.06 km2 (19.71 sq mi)
Elevation	888 m (2,913 ft)
Population  (2025-01-01)[1]
• Total	167
• Density	3.27/km2 (8.47/sq mi)
Demonym	Quintanillense
Postal code	34114
Website	Official website

Quintanilla de Onsoña^[2] is a municipality in the province of Palencia, in the autonomous community of Castile-Leon, Spain.

The village is located on the banks of the Carrión River. The municipal, Quintanilla, is located at 888 m altitude, 58 km far from the city of Palencia and in 2011 had 55 inhabitants (208 in the entire municipality) over an area of 52 km ².

Agriculture, tourism and industry.

• Information and images