| Acronym | Definition |
|---|
| CNJ | Commission Nationale des Jeunes (French: National Youth Commission) |
| CNJ | Centre National du Jeu (French game library) |
| CNJ | Central New Jersey |
| CNJ | College of New Jersey |
| CNJ | Conseil Nantais de la Jeunesse (French youth council) |
| CNJ | Central Railroad Company of New Jersey |
| CNJ | Cercle Nancéien de Judo (French judo club) |
| CNJ | Conseil Nanterrien de la Jeunesse (French youth council) |
| CNJ | Christian Networks Journal |
| CNJ | Comision Nacional de Juventud (Spanish: National Youth Commission; Peru) |
| CNJ | Computer Networks Journal |