Sigma Alpha Tau
Sigma Alpha Tau, or "Owls," is the oldest sorority on campus and was founded in 1910. Otterbein has six local sororities, six local fraternities, two national fraternities, and two National Pan-Hellenic Council (NPHC) chapters. Only upperclassmen may reside in Greek housing, provided that all other eligibility requirements of Otterbein and the given organization are met.