Pirpainti is a town and a notified area in Bhagalpur district in the Indian state of Bihar.

"Pir" is related to saints while "payat" in local terms means sitting in group for holistic purposes.

However, there is a place of 'Pir' on the bank of river Ganga where people of go to worship.

[citation needed] As of 2011 Indian Census, Pirpainti had a total population of 9021, of which 4,786 were males and 4,235 were females.

Child sex ratio for the Pirpainti as per census is 993, higher than Bihar average of 935.