Robert N. Audi is an American philosopher whose major work has focused on epistemology, ethics, rationality and the theory of action. He is O'Brien Professor of Philosophy at the University of Notre Dame, and previously held a chair in the business school there. His 2005 book, The Good in the Right, updates and strengthens Rossian intuitionism and develops the epistemology of ethics. He has also written important works of political philosophy, particularly on the relationship between church and state. He is a past president of the American Philosophical Association and the Society of Christian Philosophers.

The Structure of Justification
1993
ISBN 9780521446129
Epistemology: A Contemporary Introduction to the Theory of Knowledge
1997
ISBN 9780415281089
Moral Knowledge and Ethical Character
1997
ISBN 9780195114690
Moral Knowledge and Ethical Character
1997
ISBN 9780198027416
Epistemology: An Anthology
1999
ISBN 9780631197249
The Good in the Right
2009
ISBN 9781400826070
Epistemology
2010
ISBN 9781136934469
Rationality and Religious Commitment
2011
ISBN 9780191619526
Rational Belief
2015
ISBN 9780190221836
Seeing, Knowing, and Doing
2020
ISBN 9780197503515
Is This God's Country?
2024
ISBN 9780197682661The Architecture of Reason
2001
ISBN 9780199871407