The Olabisi Onabanjo University is operated on a multiple-campus basis. The Main Campus in Ago-Iwoye is popularly called Permanent Site (PS) by the students and a Mini Campus which is home to the Science Department.
Agriculture is in Aiyetoro, Engineering is in Ibogun, Medicine is in Shagamu, Mass Communication in Ijebu-Igbo and Pharmacy and Biochemistry in Ikenne.
- Ago-Iwoye: Main Campus
- Ikenne/Shagamu: College of Medicine & Pharmacy
- Aiyetoro: College of Agricultural Science
- Ibogun: College of Engineering
- Ijebu-Igbo: Mass Communication
Olabisi Onabanjo University, Ago-Iwoye, is a state-owned and -operated university in Ago-Iwoye, Ogun State Nigeria. The university was founded July 7, 1982 as Ogun State University and was renamed Olabisi Onabanjo University on May 29, 2001 in honour of a great citizen of the state, Chief (Dr.) Olabisi Onabanjo.