Co-cathedral of San Pedro
Native name Concatedral de San Pedro (Spanish)
South-east façade.
Location	Soria, Spain
Coordinates	41°45′58″N 2°27′33″W / 41.76604°N 2.459038°W / 41.76604; -2.459038
Spanish Cultural Heritage
Official name	Concatedral de San Pedro
Type	Non-movable
Criteria	Monument
Designated	1979
Reference no.	RI-51-0004390
Location of Co-cathedral of San Pedro in Spain

The Co-cathedral of San Pedro (Spanish: Concatedral de San Pedro) is a medieval building in Soria, Spain. It is in the Roman Catholic Diocese of Osma-Soria.

Dedicated to St. Peter, it was a collegiate church from the 12th century. It was built in the centre of the medieval town. It was raised to the status of cathedral in the 1950s.

The cloister was given a heritage listing in the 1920s.

It was declared Bien de Interés Cultural in 1979.^{[citation needed]}