Pañcāstikāyasāra ("The Essence of Reality") is an ancient Jain text authored by Acharya Kundakunda.

[1] Kundakunda explains the Jain concepts of dravya (substance) and Ethics.

The work serves as a brief version of the Jaina philosophy.

[2] The text is about five (panch) āstikāya, substances that have both characteristics, viz.

A modern English translation was published by Vijay K. Jain in 2018.