| Acronym | Definition |
|---|
| NTSD | National Technology Services Division |
| NTSD | National Tom Sawyer Days (Hannibal, MO) |
| NTSD | NT Symbolic Debugger |
| NTSD | Naruto the Setting Dawn |
| NTSD | North Thurston Public Schools (Lacy, WA) |
| NTSD | National Traffic System Digital |
| NTSD | Northern Tioga School District (Elkland, Pennsylvania) |
| NTSD | Navy Training Synergy Database |
| NTSD | National Technical School for the Deaf (Rochester, New York) |
| NTSD | Non-System Training Device |
| NTSD | Non-Time-Stamped Data |
| NTSD | Northern Tang Soo Do (UK martial arts club) |
| NTSD | National Track Suit Day |