| Acronym | Definition |
|---|
| NISD➣Northside Independent School District |
| NISD➣National Institute of Social Defence (India) |
| NISD➣Nacogdoches Independent School District (Texas) |
| NISD➣National Institute of Steel Detailing |
| NISD➣Natural Interactive Services Division (Microsoft) |
| NISD➣National Institute for Scuba Diving |
| NISD➣National Institute of Scuba Diving |
| NISD➣National Institute for Skill Development |
| NISD➣National Infrastructure Support Division |
| NISD➣Network Information Service Daemon |