- G. Preston Frazer Collection, 1939/20033
- G. Sutton Breiding, Poet, Essays, Poems, and Other Material, 1966/20161
- G. William Whitehurst Papers, 1968/20225
- Gae Aulenti Architectural Collection, 1987/20031
- Gamma Phi Beta (Alpha Chi Chapter) records, 1951/20062
- Garlinghouse Home Collection, Ranch Home No. 9540, Built Project, c. 1950s - 2023, 1950/20231
- Garnie Walker Testa Papers and Walker-Testa Family Genealogy, 1878/20258
- Gary P. Carpenter collection, 1907/19903
- Gary Weiner, Collector, Clarksburg Historical Records, 1850/2006, bulk 1870/200010
- Gay and Lesbian Archives, 1978/200712
- Gay and Lesbian Student Union (GLSU) Records, 1988/202421
- Gender and Sexuality Ephemera Collection, 1880/20111
- Gender, Sexuality, and Women's Studies Program Records, 1986/2009, bulk 2000/20107
- Gene Loving/AGL Productions Collection, 1962/19751
- Genealogy Collection, 1880/20014