| Acronym | Definition |
|---|
| HTM➣HyperText Markup (file extension) |
| HTM➣Hand To Mouth |
| HTM➣harmful-to-minors |
| HTM➣Held-to-Maturity |
| HTM➣Hi-Tech Manufacturing |
| HTM➣High Tide Mark |
| HTM➣Hospitality and Tourism Management (various universities) |
| HTM➣Honda Transmission Manufacturing (Ohio) |
| HTM➣Hotel and Tourism Management (various organizations) |
| HTM➣High Times Magazine (est. 1974; cannabis advocacy; New York) |
| HTM➣Hold To Maturity |
| HTM➣Hardware Transactional Memory |
| HTM➣High Thermal Mass (construction materials) |
| HTM➣High-Technology Manufacturing (various companies) |
| HTM➣Heart of Midlothian (Scottish football club; UK) |
| HTM➣Hyper Text Markup Language |
| HTM➣Hit Test Message |
| HTM➣High-Tech Medicine |
| HTM➣Hierarchical Temporal Memory |
| HTM➣Homogeneous Transformation Matrix (mathematics) |
| HTM➣Haerterei Technische Mitteilungen (German: Hardening Technical Notes; journal) |
| HTM➣Hazlo tú mismo (Spanish: do it yourself) |
| HTM➣High Temperature Material |
| HTM➣Health Technical Memorandum |
| HTM➣Heat Transfer Media |
| HTM➣Human Task Manager (software) |
| HTM➣Haagsche Tramweg-Maatschappij (Tram Corporation of the Hague) |
| HTM➣Heavy Trench Mortar (weaponry) |
| HTM➣Historical Thinking Matters (educator resource website) |
| HTM➣High Traffic Mode (IRCd) |
| HTM➣Head Tyrolia Mares (Austria) |
| HTM➣Holy Tabernacle Ministries |
| HTM➣Helideck Team Member (energy industry fire training) |
| HTM➣Hotel Technology Management Limited (UK) |
| HTM➣Hyper-G Text Format (Hyper-G) |
| HTM➣Hospital Technical Memorandum (Great Britain) |
| HTM➣Hockey This Morning (radio show) |
| HTM➣HaloTrialMods.org (web forums) |
| HTM➣Honorary Toastmaster |
| HTM➣Master of Horticultural Therapy (degree) |