| Acronym | Definition |
|---|
| SNCC | Student Non-violent Coordinating Committee |
| SNCC | Société Nationale des Chemins de Fer du Congo (French: National Railway Company of the Congo; Democratic Republic of the Congo) |
| SNCC | Safety National Casualty Corporation (St Louis, MO) |
| SNCC | Small Non-Cleaved Cell (lymphoma) |
| SNCC | Systèmes numériques de contrôle-commande (French) |
| SNCC | Southern New Castle County (Delaware) |
| SNCC | Semiconductor New Century Committee (Japan) |
| SNCC | Special Needs Child Care (program) |
| SNCC | Systems and Network Control Center (University of Wisconsin) |
| SNCC | South-North Coordination Committee (UN; Korea) |