The Greek community at the University of Southern Indiana is composed of six international Fraternities.

The Greek community at the University of Southern Indiana is composed of four international Sororities.

The Panhellenic Council is composed of women from every sorority and serves as the governing body for all the sororities on campus.

The Interfraternity Council (IFC) is composed of men from every fraternity and serves as the governing body for all fraternities on campus.

The InterGreek Programming Council (IGPC) coordinates all-Greek events throughout the year to promote unity among all chapters.

The Order of Omega is an honorary organization for members of fraternities and sororities exhibiting excellence in academics, community involvement, campus involvement and chapter involvement.