Ohio Northern's campus offers many services including:
- Student Health Center
- Student Pharmacy
- Counseling Center
- Fitness Center
- The University's Office of Multicultural Affairs
The Office of Multicultural Affairs sponsors a number of activities designed to promote and educate the campus community on cultural diversity. The office works with student organizations, such as the World Student Organization, the Hispanic Students Organization, and the Muslim Students Association in organizing campus activities and speakers. The University also provides a Multicultural House where students can congregate and hold organizational meetings, while the chapel includes a multi-faith room for diverse religious observances.