- Johnson, William1
- Johnson, William H.1
- Kendrick, J.R.1
- Kennedy, F. Milton1
- Key, John Ross, 1832-19201
- Keystone View Company1
- Kitchin, Thomas, 1718-1784 (cartographer)1
- Kohn, August, 1868-19301
- Kohn-Hennig Collection.1
- Ladies' Association to Commemorate the Confederate Dead1
- Ladies' Calhoun Monument Association1
- Lanneau1
- Lanneau, Charles H1
- Launey, A. R (Photographer)1
- Lesesne, Henry D.1
- Levin, Nathaniel1
- Light, Dorothy Chinnis1
- Littlejohn, Victor Boyd (Filmmaker)1
- Lowcountry Gay and Lesbian Alliance1
- Lowndes, Thomas1