
Alpha Omicron Pi (ΑΟΠ, AOII) is an international women's fraternity founded on January 2, 1897 at Barnard College on the campus of Columbia University in New York.
"A-O-Pi," the familiar name of the fraternity, is open to women regardless of ethnicity, religion or socio-economic background, with 212 collegiate chapters (active and inactive) and 320 alumnae chapters in Canada and the U.S.A. The fraternity is headquartered in Brentwood, Tennessee and is a member of the National Panhellenic Conference. Major symbolism includes the color cardinal, the ruby and the 'Général Jacqueminot' rose. The fraternity publishes a magazine for the benefit of members, named To Dragma.