Delta Phi Omega (commonly referred to as DPO, or ΔΦΩ) is a nationally-based, South Asian-interest, multicultural sorority in the United States, with over 2,600 sisters in twenty-five chapters and twenty-six colonies across the nation. It is categorized as a social, service and philanthropy-based Greek letter organization whose main focus is to empower women and promote cultural awareness through involvement with their universities and communities. It has joined organizations such as the National APIDA Panhellenic Association (NAPA) to better convey its efforts to promote the greater good alongside other communities. Delta Phi Omega Sorority, Inc. is the largest South Asian interest-based sorority in the nation.