| Acronym | Definition |
|---|
| HH➣Hour |
| HH➣Household |
| HH➣Hip Hop |
| HH➣Helly Hansen |
| HH➣Hamburg (Germany) |
| HH➣Happy Hour |
| HH➣Hi-Hat (cymbal) |
| HH➣Half Hour |
| HH➣His Holiness |
| HH➣His Highness |
| HH➣Home Health Care |
| HH➣Happy Holidays |
| HH➣Hilton Head |
| HH➣Haunted House (game) |
| HH➣Hand-Held |
| HH➣Hard of Hearing |
| HH➣Holding Hands |
| HH➣High Hopes |
| HH➣Hands High (measurement of horses) |
| HH➣High Humidity (water vapor measurement) |
| HH➣Hulk Hogan |
| HH➣Health Hazard |
| HH➣Hit Hard (basebasll statistic) |
| HH➣Helen Hunt |
| HH➣Herbert Hoover |
| HH➣Her Highness |
| HH➣Half-Height |
| HH➣Hold Harmless |
| HH➣Hex Head (screws) |
| HH➣Hiatus Hernia (medical) |
| HH➣High Hurdles (track and field) |
| HH➣Honor Harrington (Honor Harrington science fiction novels) |
| HH➣Happy Hunting |
| HH➣High Honors |
| HH➣Heil Hitler |
| HH➣Herbig-Haro |
| HH➣Högskolan I Halmstad (Halmstad University, Sweden) |
| HH➣Hereditary Hemochromatosis |
| HH➣Henry Hudson (explorer) |
| HH➣Heavily Hinged (philatelic auction term) |
| HH➣Hon Hai Precision Industry Co. Ltd |
| HH➣Hodgkin-Huxley (mathematics) |
| HH➣Helen Hayes |
| HH➣Holy Hell (band) |
| HH➣Coast Guard Helicopter |
| HH➣Hypogonadotropic Hypogonadism |
| HH➣Head Honcho |
| HH➣Hi Honey |
| HH➣Hawthorne Heights (band) |
| HH➣Harbor Hills |
| HH➣Henderson Hall |
| HH➣Hardcore Holly (pro-wrestler) |
| HH➣Hershey's Hugs (chocolate candy) |
| HH➣Hanseatic City of Hamburg (Hansestadt Hamburg, German City) |
| HH➣Health for Humanity (National Spiritual Assembly of the Bahá'ís of the United States) |
| HH➣Help Haiti |
| HH➣Hypothalamic Hamartoma |
| HH➣Half-Half (scheduling scheme) |
| HH➣Habbo Hotel (online chat) |
| HH➣Hostile Hospital (Lemony Snicket) |
| HH➣Hardcore Hell (pro wrestling) |
| HH➣Hypothalamic Hypogonadism |
| HH➣Hoosier Healthwise (Indiana state-sponsored health care program) |
| HH➣Hoosier Hospitality |
| HH➣Hatboro Horsham (Senior High School, Horsham, PA) |
| HH➣Half Hard |
| HH➣Hamilton Heights (High School) |
| HH➣Halton Hills |
| HH➣Howard Hewett (musician) |
| HH➣Horizontal Hostility (workplace behavior) |
| HH➣Heads-Heads (possible outcome for flipping a coin twice) |
| HH➣Hentai Heaven (anime) |
| HH➣Her Holiness |
| HH➣Horizontal Transmit, Horizontal Receive (polarization) |
| HH➣Hamerschlag Hall (Carnegie Mellon University) |
| HH➣Hershey Highway (Route 322, Dauphin County, PA) |
| HH➣Hello Handsome |
| HH➣Hollywood Hijinx (Commodore 64 game) |
| HH➣Hinging Hyperplanes |
| HH➣Horizontal, Horizontal Polarization |
| HH➣Higginson Hall (WWU) |
| HH➣Hanger Height (flange) |
| HH➣Hyperbolic Horn |
| HH➣Heat Homing |
| HH➣HEED (Health, Education and Economic Development) Handicraft (Bangladesh) |