HHT
HHT is the abbreviation for:
- Main story carrier , the main subject of an editorial article (press).
- Hemagglutination inhibition test , a detection method in virological diagnostics
- Heinrich-Hertz-Turm , a telecommunications tower in Hamburg
- Heinrich Hertz Telescope , a radio telescope
- Hereditary hemorrhagic telangiectasia , a synonym for Osler's disease
- Historic Houses Trust of New South Wales
- Handicraft, housekeeping and gymnastics , a training area for teachers in Baden-Württemberg
- Hessischer Handwerkstag , the umbrella organization of the chambers of crafts and craft associations in Hessen
- Handheld Terminal , a mobile terminal for entering and processing data