TISD
| Acronym | Definition |
|---|---|
| TISD | Tomball Independent School District (Tomball, TX) |
| TISD | Technology and Innovation for Sustainable Development (conference; Thailand) |
| TISD | Texarkana Independent School District (Texas, USA) |
| TISD | Transportation Infrastructure Security Division |
| TISD | Tactical Information Systems Division |
| TISD | Theater Integrated Situation Display |
| TISD | Tactical Internet System Description |
| TISD | Teacher In-Service Day |
| TISD | Turkish Institute for Security and Democracy (Washington, DC) |