Phi Kappa Tau (ΦΚΤ), commonly known as Phi Tau, is a collegiate fraternity located in the United States. The fraternity was founded in 1906. As of February 2019, the fraternity has 161 Chartered Chapters, 83 active chapters, 9 colonies and around 4,500 collegiate members. SeriousFun Children's Network, founded by Beta Chapter alumnus Paul Newman, is Phi Kappa Tau's National Philanthropy. According to its Constitution, Phi Kappa Tau is one of the few social fraternities that can accept graduate students as well as undergraduates.
Phi Kappa Tau's mission statement is "To champion a lifelong commitment to brotherhood, learning, ethical leadership and exemplary character." The fraternity's vision is "To be recognized as a leadership organization that binds men together and challenges them to improve their campuses and the world."