- Manning, Hubert V. (Hubert Vernon), 1918-19971
- Market Restaurant (Columbia, S.C.)1
- Mascots1
- Maxcy Gregg Park (Columbia, S.C.)1
- May, John Amasa1
- Maybank, Burnet R., Jr., 1924-20161
- McKissick Memorial Library1
- McNair, Robert E. (Robert Evander), 1923-20071
- McNayr, Irving Gilbert, 1913-20001
- Meat industry and trade1
- Methodist churches1
- Mills1
- Mitchell, Clarence M. (Clarence Maurice), 1911-19841
- Monkeys1
- Motels1
- Motorcycles1
- Murphy, Martin Creaven, 1893-19651
- National Association for the Advancement of Colored People1
- Nebbia, Tom1
- Newman, I. DeQuincey, 1911-19851