Klemens Pierzchała (died September 1357) was bishop of Płock in the years 1337–1357, as well as dean and provost of Płock.
Before he was elected in 1333 by the cathedral chapter, he was the dean and provost of the Płock bishop.
During his long reign, he cooperated closely with the Mazovian princes.
Probably in 1339[1] [1] he issued a location charter for Pułtusk.
This article about a Polish Catholic bishop or archbishop is a stub.