Sigma Pi (ΣΠ) is an international social collegiate fraternity founded in 1897 at Vincennes University. Sigma Pi Fraternity, International has chartered over 230 chapters with 116 currently active plus 5 additional colonies in the United States and Canada and is headquartered in Lebanon, Tennessee. Since its inception, the fraternity has initiated more than 100,000 men and has 6,000 undergraduate members.