Patrick Lencioni (born c. 1965) is an American writer of books on business management, particularly in relation to team management. He is best known as the author of The Five Dysfunctions of a Team, a popular business fable that explores work team dynamics and offers solutions to help teams perform better.

In addition to Five Dysfunctions of a Team, he has written nine other business books: The Advantage: Why Organizational Health Trumps Everything Else in Business; Overcoming the Five Dysfunctions of a Team; Death by Meeting; Silos, Politics and Turf Wars; The Five Temptations of a CEO; The Four Obsessions of an Extraordinary Executive; The Three Signs of a Miserable Job, Getting Naked, and The Ideal Team Player. He has also applied his management techniques to families in The Three Big Questions for a Frantic Family.