| Acronym | Definition |
|---|
| DNI | Director of National Intelligence |
| DNI | Documento Nacional de Identidad (Spanish: National Identity Document; various nations) |
| DNI | Diversity & Inclusion |
| DNI | Do not Interrupt |
| DNI | Direct Normal Irradiation (renewable energy) |
| DNI | Distributable Net Income |
| DNI | Director of Naval Intelligence |
| DNI | Do Not Intubate |
| DNI | Direct Normal Irradiance |
| DNI | Drexel Nanotechnology Institute (Drexel University; Philadelphia, PA) |
| DNI | Do Not Increase |
| DNI | Defensa de Niñas y Niños Internacional (Spanish) |
| DNI | Digital Network Intelligence (computer network analysis) |
| DNI | Do Not Install (electronic circuit board parts bill of materials & schematics for ) |
| DNI | Dialed Number Identification |
| DNI | Digital Network Interface |
| DNI | Direct Neural Interface |
| DNI | Desktop Network Interface |
| DNI | David Nicholas International (cosmetic training facility; Rowley, MA) |
| DNI | DECnet Network Interface |
| DNI | Data Network Interface |
| DNI | Do Not Implement |
| DNI | Dunedin North Intermediate (school; New Zealand) |
| DNI | Do Not Inventory |
| DNI | Digital NATO Interface |
| DNI | Distributed Net Income |
| DNI | Data Non-incorporation |
| DNI | Digital Negotiation Information Signal |
| DNI | DCS NATO Interface |
| DNI | Dynamic Network Interface |
| DNI | Do Not Implant (medical devices) |