English abbreviations from hhsc to hico
- HHSC (Health and Human Services Commission)
- HHT (Headquarters and Headquarters Troop)
- HHTFI (Hereditary Hemorrhagic Telangiectasia Foundation International)
- HHV (Higher Heating Value)
- HHZ (Hikueru Atoll Airport)
- hi (Hindi language (ISO 639-1 code))
- HIA (Held in Abeyance)
- HIAA (Health Insurance Association of America)
- HIAET (HIA Education Trust)
- HIAS (Hebrew Immigrant Aid Society)
- HIB (Chisholm-Hibbing Airport)
- HIBBS (Holistic Internet Based Business Solutions)
- HIBC (Horizontal Integration Battle Command)
- HiB disease (Haemophilus influenzae type B disease)
- HIBM (High Institute of Biotechnology of Monastir)
- HIBS (Heavy Ion Backscattering Spectrometry)
- HIC ((catalog) HIPPARCOS Input Catalog, a catalog of data for the first target stars selected for observation by the Hipparcos)
- HICAP (Health Information Counseling And Advocacy Program)
- HICAT ((catalog) HIPASS catalog, a catalog of HI sources, see also NHICAT)
- HICC (Hostile Intelligence Collection Capabilities)
- HICO (high intensity combat operations)
