- ODU PREVIEW and Orientation Collection, 1978/20081
- ODYSSEY records, 2000/20135
- Oak Grove Baptist Church collection, 1924/19452
- Obituaries of Ritchie and Tyler County Residents, 1947/20141
- Office of Admission records, 1861/20215
- Office of Admissions records - University of Virginia School of Law, 1971/20101
- Office of Affirmative Action Records, 1973/20071
- Office of Affirmative Action Records, 1977/2009, bulk 1977/19881
- Office of Alumni Engagement records4
- Office of Alumni Relations Records, 1960/201856
- Office of Auxiliary Services Records, 1966/20034
- Office of Career Services records - University of Virginia School of Law, 1982/20083
- Office of Communications and Marketing audio and video collections23
- Office of Communications and Marketing subject files, 195010
- Office of Communications and Public Affairs records, 1948/20022