| NKA | Network Knowledge Architects | 网络知识架构师 |
| NKA | Nichols, Kaster, Anderson, PLLP - Attorneys At Law | Nichols、Kaster、Anderson、PLLP-律师事务所 |
| NKA | No Known Allergies | 无已知过敏 |
| NKA | Nicht Katalogisiertes Akronym | Nicht Katalogisiertes Akronym公司 |
| NKA | Now Known As | 现在称为 |
| NKA | No Kids Allowed | 禁止儿童进入 |
| NKA | Nemzeti KulturÁlis Alapprogram (Hungarian: National Cultural Fund) | Nemzeti KulturÁlis Alapprogram (Hungarian: National Cultural Fund) |
| NKA | North Korean Army | 北朝鲜陆军 |
| NKA | Never Known As | 从不知道为 |
| NKA | Nobody Knows Anything | 无人知晓 |