| Acronym | Definition |
|---|
| NLI | National Letter of Intent |
| NLI | Natural Learning Initiative |
| NLI | Northern Light Infantry (Pakistan) |
| NLI | Natural Language Interface |
| NLI | Not Logged In |
| NLI | Nippon Life Insurance (various locations) |
| NLI | National Leadership Institute |
| NLI | National Library of Iran |
| NLI | Newlong Industrial (est. 1941; Japan) |
| NLI | National Labour Institute (India) |
| NLI | Nurse Leadership Institute |
| NLI | Network Layer Interface (computing) |
| NLI | Northern Lipids, Inc. (Canada) |
| NLI | No Longer Interested |
| NLI | National Lead Industries |
| NLI | National Library of Ireland National Library of Ireland |
| NLI | Near Loss Investigation |
| NLI | National Limestone Institute |
| NLI | Non Linear Inverter |
| NLI | Nakamura Logistics, Inc. (Japan) |