| TREF | Tennessee Registry of Election Finance | 田纳西州选举财政登记处 |
| TREF | Trauma Research and Education Foundation | 创伤研究与教育基金会 |
| TREF | Turfgrass Research and Education Facility | 草坪研究和教育设施 |
| TREF | Trauma Research & Education Foundation | 研究和教育基金会。创伤 |
| TREF | Transient Radiation Effects Facility | 瞬态辐射效应设施 |