Collection
- John Carpenter collection, 1957-2018, Date acquired: 00/00/20181
- John F. Cawley Collection, 1944-2010, Date acquired: 06/19/00091
- John T. Dizer papers, 1853-2007, Date acquired: 00/00/20071
- John W. Senders Working Collection, 1880-20141
- Jose M. Colon Collection, 1945-20101
- Juan Martinez Collection, bulk 1955-20131
- Judith and Warren Kaplan Collection, Women's and Gender Studies, 1792-2016, bulk 1900-20001
- Justice R. Fred Lewis Florida Supreme Court Papers, 1998-20181
- Karen Howey Schmidt Ephemera collection, 1949-1959, Date acquired: 00/00/00001
- Keith Beauchamp Papers, 1950, 1955, 2001-2006, 2015, 2018, bulk 2001-20061
- Ken Kazmerski collection, 1987-20101
- Ken van Assenderp Collection, 1963-20101
- Kennedy Collection, 1914-20111
- Krewe of the Knights of Sant' Yago, 1973-2013, Date acquired: 04/01/2014, bulk 1973-20131
- Latin American ephemeral publications collection, 1861-20091
- Latino Legacy at UCF: Dr. Cyndia Morales Muñiz's Collection, 2006-2018, bulk 2017-20181
- Lawrence V. Smith Image Collection, 1958-20101
- League of Women Voters of Volusia County Collection, 1958-20121
- League of Women Voters, Tallahassee Chapter Records, 1956-20141
- Legends Field collection, 1996-20141