| TNI | Satna, India 
| Others |
| TNI | Tahitian Noni International
| Others |
| TNI | Targeted Nutritional Intervention
| Others |
| TNI | Team Natty Ice
| Others |
| TNI | Technology and Ideas
| Others |
| TNI | Technology News International
| Others |
| TNI | Telephone Network Interface
| Others |
| TNI | Tentara Nasional Indoneisa
| Others |
| TNI | Tentara Nasional Indonesia
| Others |
| TNI | Tentara Nasional Indonesia (Indonesian Armed Forces)
| Others |
| TNI | Texas Neurosciences Institute
| Others |
| TNI | The National Interest
| Others |
| TNI | The National Investor
| Others |
| TNI | The NELAC Institute
| Others |
| TNI | The Network Inc
| Others |
| TNI | The New Image
| Others |
| TNI | The New Inquiry
| Others |
| TNI | The Newton Institute
| Others |
| TNI | Total Needed Irradiation
| Others |
| TNI | Toy News International
| Others |
| TNI | Training Need Identification
| Others |
| TNI | Trans Nino Index
| Others |
| TNI | Trans-National Institute
| Others |
| TNI | Transforming Neighborhoods Initiative
| Others |
| TNI | Travelers Night In
| Others |
| TNI | Travelers Night In It
| Others |
| TNI | Tri National Inc
| Others |
| TnI | Troponin I
| Others |
| TNI | Trouble Not Identified
| Others |
| TNI | Trust No Indonesian
| Others |
| TNI | Trusted Network Integration
| Others |
| TNI | Trusted Network Interpretation
| Others |