Phi Sigma Nu (ΦΣΝ) is a Native American fraternity founded on February 13, 1996 at the University of North Carolina at Pembroke. It is the first national Native American Indian fraternity in the United States. It currently has 11 chapters. The fraternity uses no alcohol in its ceremonies or initiation, as it is viewed as a purifying process. The Fraternity is recognized by the Association of Fraternity/Sorority Advisors.