- L. Claire Kincannon theatre collection, 1941/20159
- L. Jane Hastings Architectural Papers, 1951/19983
- LGBTQ Student Center records, 1993/20172
- Lacrosse Records,, 1973/20103
- Land Records of the MVLA, 1858/20061
- Larry Levis papers, 1974/200614
- Larry McBryde Collection on the John McLaren McBryde Family, 1859/20133
- Larry Schwab, Ophthalmology Professor, Books and Other Material, 1987/20071
- Larry Shaver, Collector, Isaac Asimov Collectibles, 1966/20071
- Latin American Student Union (LASU) records, 2008/20121
- Laurel Archer Copp Papers, 1953/20101
- Laurin L. Henry papers, 1930/20221
- Lavinia Phillips Papers, 1974/20051
- Law Library records, 1895/20188
- Law School Renovation Project records, 1986/20111