sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| High Tech University | **** |
| Huston Tillotson University | *** |
| Horizontal Tail Unit | *** |
| Horse Teaching Unit | *** |
| Hapag Touristik Union | *** |
| Hyperbaric Therapy Unit | *** |
| Health Telematics Unit | *** |
| HDSL Transmission Unit | *** |
| Hundreds Tens and Units | ** |
| HDSL Terminal Unit | ** |
| Health Technical Unit | ** |
| Hessische Taekwondo Union | ** |
| Held Terminal Unit | ** |
| HDSL Transceiver Unit | ** |
| Height of Transfer Units | ** |
| Hazard Toxicology and Use | ** |
| Home Telemedicine Unit | * |
| Handlingar Till Utlandet | * |
| Handshake Transceiver Unit | * |
| Heat Transfer Unit | * |
| Hlaingtharyar Technological University | * |
| Hokkaido Tokai University | * |
| Hydroextrusion Thinning Unit | * |
| Handheld Terminal Units | * |
| Hypothetical Taxonomic Units | * |
| Handheld (Computer) Terminal Unit | * |
| Hitchin Town Unofficial | * |