English abbreviations from httc to hud
- HTTC (Hampton Table Tennis Club)
- HTTO (High Temperature Thermal Oxidation)
- HTTP (Hypertext Transfer Protocol)
- HTTPd (Hypertext Transfer Protocol Daemon)
- https (HyperText Transfer Protocol Secure)
- HTTYD (How To Train Your Dragon)
- HTU (Hopetoun Airport)
- HTUP (Harvard Trade Union Program)
- HTV (Huntsville Municipal Airport)
- HTW (Lawrence County Airpark)
- HTX (HyperTransport eXpansion)
- HTY (Hatay Airport)
- HTZ (Hato Corozal Airport)
- hu (Hungarian language (ISO 639-1 code))
- HUA (Redstone Army Airfield)
- HUAW (Hurry Up and Wait)
- HUB (Humbert River Airport)
- HUC (Humacao Airport)
- HUCE (Harvard University Center for the Environment)
- HUCOM (Hadramout University College of Medicine)
- HUCSCR (Howard University Center for Sickle Cell Research)
- HUD (Head-up display)
