| Acronym | Definition |
|---|
| JNC | Joint National Committee |
| JNC | Jacksonville (Amtrak station code; Jacksonville, NC) |
| JNC | Junior National Championship |
| JNC | Japanese Nostalgic Car (magazine) |
| JNC | Joventut Nacionalista de Catalunya (Catalan: Nationalist Youth of Catalonia) |
| JNC | Judicial Nominating Commission |
| JNC | Jump on Carry not Set |
| JNC | Japan Nuclear Cycle Development Institute |
| JNC | Jet Navigation Chart |
| JNC | Japan New Chisso |
| JNC | Journal of Nuclear Cardiology |
| JNC | JNet Consultancy (Netherlands) |
| JNC | Jarrett Nature Center (Horsham, PA) |
| JNC | Joint Navigation Chart (US DoD) |
| JNC | Junior Non-Commissioned Officers Course |
| JNC | Jenison Nature Center |