TC3
| Acronym | Definition |
|---|---|
| TC3 | Tompkins Cortland Community College (Dryden, NY) |
| TC3 | Tactical Combat Casualty Care |
| TC3 | Technical Committee 3 (International Federation for Information Processing) |
| TC3 | Tank Commander Certification Course (US Army) |
| TC3 | Tactical Command, Control & Communications |