- Lakeview High School (West Columbia, S.C.)1
- Lancaster First Baptist Church (Lancaster County, S.C.)1
- Lander College1
- Landrum First Baptist Church (Spartanburg County, S.C.)1
- League of Women Voters of Columbia (S.C.)1
- Lewis, John1
- Lewis, Oscar1
- Lexington Rosenwald High School (Lexington, S.C.)1
- Lincoln High School (Sumter, S.C.)1
- Little Bethel Baptist Church (Marion County, S.C.)1
- Lower Richland High School (Hopkins, S.C.)1
- Lucas Avenue Baptist Church (Laurens County, S.C.)1
- Lyles, Bissett, Carlisle, and Wolff1
- MCSC School of Nursing1
- MUSC College of Medicine1
- Makoski, Leo A. (Filmmaker)1
- Maple Baptist Church (Horry County, S.C.)1
- Mayrose Company1
- McColl High School1
- Medical Society of South Carolina1