| Acronym | Definition |
|---|
| ITH | International Tower Hill Mines (various locations) |
| ITH | Instituto Tecnológico Hotelero (Spanish: Hotel Technology Institute) |
| ITH | Internet Texas Holdem (poker) |
| ITH | Inuvik-to-Tuktoyaktuk Highway (Canadian road) |
| ITH | Insert Title Here |
| ITH | Instituto Tecnologico de Hermosillo (Sonora, Mexico) |
| ITH | Interactive Text Hooker (software) |
| ITH | Irish Transport Heritage (UK) |
| ITH | If That Helps |
| ITH | Ithaca, NY, USA - Tompkins County (Airport Code) |
| ITH | Integration Time Horizon (environmental gases) |
| ITH | Inferior Turbinate Hypertrophy (nasal disorder) |
| ITH | Insulation and Trace Heating |
| ITH | Information Technology House (Asuncion, Paraguay) |