| Abbreviation | Definition |
|---|---|
| TGR-E | Thomas Global Register Europe |
| TGS | Technical and General Services |
| TGW | Things Gone Wrong |
| THINK | Taking Hazards Into New Knowledge |
| THL | Tourism, Hospitality, Leisure |
| THM | Total Health Marketing |
| THP | Tokyo Half Project |
| THS | Temporary Holiday Site |
| TI | Temporary Improvement |
| TI | Thumb Indexed |
| TIA | Thanks in Advance |
| TIAS | Travel Industries Automated System |
| TIC | Technique Insight And Communication |
| TIC | The Inner Circle |
| TICFA | Trade and Investment Cooperation Framework Agreement |
| TID | Target Implementation Date |
| TID | Task Identification Delivery |
| TID | Team For Innovation And Design |
| TIDE | Technology And Information Delivered For Empowerment |
| TIDE | Technology Insertion Demonstration And Evaluation |