| NJAC | National Joint Advisory Council | 全国联合咨询委员会 |
| NJAC | New Jersey Administrative Code | 新泽西州行政法规 |
| NJAC | National Joint Advisory Committee (United Kingdom) | 国家联合咨询委员会（联合王国） |
| NJAC | National Joint Action Committee (Trinidad and Tobago political party) | 国家联合行动委员会（特立尼达和多巴哥政党） |
| NJAC | New Jersey Athletic Conference | 新泽西州田径大会 |