The Krishnapur Matha (Tulu: ಕೃಷ್ಣಾಪುರ ಮಠ क्रिश्नापुर मठ Kr̥ṣṇāpura maṭha) or Krishnapur Mutt in some records and literature is a Madhwa Vaishnava monastery. It is one of the Ashta Mathas of Udupi founded by Dvaita philosopher Madhvacharya of Udupi. Krishnapur Monastery is currently headed by Vidyasagara Thirta. The first swami of this monastery was Janardhana Thirta, who was one of the direct disciples of Madhvacharya. Its presiding deity is Kalingamardhana Krishna. The matha houses a Mukyaprana temple inside where puja is performed every day.
This monastic order has many branches all over India. Some are at Udupi, Ramanakatte, Padigaru, Pejavara, Dandithirtha, Padubidri and others mostly in districts of Dakshina Kannada and Udupi of Karnataka and one in Prayag (Allahabad).
The Krishnapur Matha owned last large tracts of land, but lost due to enactment of the law "Tiller is the owner of Land" by then Chief minister of Karnataka state Devaraj Urs in 1974.
The Matha (monastery) at Krishnapur, which is 3 kilometres from Surathkal town is the main Maths from which the name has been derived. The present Matha at Krishnapur was built by Sri Vidyamurthi Teertha who is twenty sixth Swamiji in this lineage built Matha ( monastery at) Krishnapur. There is a Mukhyaprana Hanuman temple inside the Matha. The structure of the building is mostly made of wood. This type of structure is rare in the age of concrete buildings nowadays.