There are numerous other organizations at Rider University that use Greek letters in their names. While having many aspects of traditional fraternities and sororities, such as rituals, brotherhood and sisterhood and events, these organizations also have an additional, specialized focus for the organization. Five of these organizations are advised through the Office of Fraternity & Sorority Life.
Alpha Phi Omega
Coed community service based fraternity
Alpha Psi Omega
Coed fine arts society
Delta Sigma Pi
Coed business fraternity
Phi Mu Alpha Sinfonia
Men's music fraternity
Sigma Alpha Iota
Sigma Alpha Iota is the women's music sorority on campus.