TTZ
| Acronym | Definition |
|---|---|
| TTZ | Technologie Transfer Zentrum (German: Technology Transfer Center; scientific research) |
| TTZ | The Twilight Zone (TV show) |
| TTZ | Transformation Toughened Zirconia (ceramics) |
| TTZ | 'T is Te Zeggen (Dutch) |
| TTZ | Tinnitus Therapie Zentrum (German: Tinnitus Therapy Center; Krefield, Germany) |
| TTZ | Train to Zone (gaming) |