- Ladies' Society in aid of the Suffering and Destitute Poor of the South1
- Ladies' Volunteer Aid Association (Camden, S.C.)1
- Ladies’ Auxiliary of Stuyvesant Polyclinic Charity Musicale1
- Lambert Pharmaceutical Company1
- Landrum, Abner1
- Landrum, John G.1
- Lane Manufacturing Company1
- Lanneau, Bazile1
- Laughlin, Alexander1
- Laurens, Henry1
- Lavalle, Paul1
- Law, Thomas Cassels1
- LeConte, Joseph1
- Lea, Henry C.1
- League of Women Voters of Columbia (S.C.)1
- League of Women Voters of South Carolina1
- League of Women Voters of Utah1
- Ledbetter & Co.1
- Lee, Samuel1
- Legare, W.W.1