- Long Hall (Clemson, S.C.)26
- Long, Melvin C., 1933-20071
- Longleaf pine1
- Lost architecture320
- Louderback, Joseph G.1
- Lovelace, Steve1
- Lowry Hall (Clemson, S.C.)26
- Lowry, Walter L., Jr.1
- Lyles, Bissett, Carlisle &1
- Lyles, William G. (William Gordon), 1913-19812
- Machine shops1
- Main Building (Clemson, S.C.)51
- Manis, James1
- Manning Hall (Clemson, S.C.)41
- Marching bands1
- Martin Hall (Clemson, S.C.)38
- Martin, Samuel Maner, 1875-19592
- Mascots1
- Mathias, Hubert LaBorde, Jr., 1948-19681
- Mauldin Hall (Clemson, S.C.)31