TCAD may stand for one of the following:
- Technology CAD, Computer-Aided Design for semiconductor manufacturing technology
- TCAD, a component of Borland Delphi and C++ Builder to facilitate writing vector graphics applications.
- Tricyclic antidepressants, a class of medications which block serotonin and norepinephrine reuptake in the brain.
- Traffic Collision Avoidance Device
- Townsville Crime Alerts & Discussions, Anti Crime facebook page Located Townsville QLD AUST