| Acronym | Sense | Language | Topics |
|---|---|---|---|
| TAC | Traitement Communautaire Assertif = PACT | Program Assertif Community Treatment | In English |
In French | → Psychiatry |
| TAC | Tactical Air Command | In English | → 358 |
| TAC | Test And Configuration | In English | |
| TAC | Timing and Address Counter | In English | |
| TAC | Total Average Cost | In English | → Prices |
| TAC | Traceability And Configuration | In English | |
| TAC | TVV Achilles Combinatie | In Dutch | → Organizations and associations → Sport, physical exercises |
| TAC | Tilburgse Amateur Club | In Dutch | → Organizations and associations → Sport, physical exercises |
| TAC | TAK Amar Deep Combinatie | In Dutch | → Organizations and associations → Sport, physical exercises |
| TAC | Total Autorisé de Capture | In French | → Fishing, hunting |
| TAC | Titre Alcalimétrique Complet | In French | → Chemistry |
| TAC | Transports Annemassiens Collectifs | In French | → Transport and postal services |
| TAC | Traditional Anglican Communion | In English | → Organizations and associations → Protestant churches |
| TAC | Terminal Access Controller | In English | |
| TAC | Type Approval Code | In English | → Telecommunications |
| TAC | Tribune Anarchiste Communiste | In French | → Serial publications, periodicals → Anarchist organizations → Communist parties |