- North Augusta (S.C.)8
- North Beltline Boulevard, Columbia, S.C.1
- North Carolina4
- North Charleston (S.C.)8
- North Church Street, Spartanburg, S.C.1
- North Main Street, Columbia, S.C.11
- North Myrtle Beach (S.C.)23
- Norway (S.C.)1
- Oberwesel (Germany)2
- Oconee County (S.C.)86
- Oconee County, South Carolina, United States9
- Olar (S.C.)7
- Olin Hall1
- Opa-locka (Fla.)3
- Orangeburg (S.C.)143
- Orangeburg County (S.C.)286
- Orangeburg County, South Carolina, United States3
- Pacolet (S.C.)8
- Pageland (S.C.)19
- Pamplico (S.C.)8