| NDTI | Non-Destructive Testing and Inspection | 无损检测和检验 |
| NDTI | National Driver Training Institute | 国家驾驶员培训学院 |
| NDTI | Normalized Difference Temperature Index | 归一化温差指数 |
| NDTI | Normalized Difference Transmissivity Index | 归一化差透射率指数 |
| NDTI | Network Design Tools, Inc. | 网络设计工具公司。 |
| NDTI | National Drug Therapeutic Index | 国家药物治疗指数 |
| NDTI | Nondestructive Testing & Inspection | 无损检测及检验 |
| NDTI | National Disease and Therapeutic Index | 国家疾病和治疗指数 |