- C-SPAN records, 1809/2012, bulk 1978/2012738
- C. Barrett Graham papers, 1967/20161
- C. David Loeks Papers, 1947/19971
- C. Edwin Baker Papers, 1886/2013, bulk 1970/20091
- C. Ernest Edgar III papers, 1956/20101
- C. James Gleason Photography Collection, 1987/20087
- Cadet Life, Organizations, and Activities, 18451
- Calendar Collection, 1980/20051
- Calendars Collection, 1910/20132
- Camilla Louise Wills Papers, 1907/20011
- Camp Okahahwis collection, 1925/20092
- Canterbury Association Records, 1954/2013, bulk 1980/20004
- Capital Area Agency on Aging records, 1985/20031
- Capital Club of Williamsburg Records, 1960/2015, bulk 1970/20006
- Career Center Records, 1939/2001, bulk 1950/19853