| Acronym | Definition |
|---|
| HHS➣Department of Health and Human Services |
| HHS➣Health and Human Services |
| HHS➣Howell High School (New Jersey) |
| HHS➣Hanford High School (Richland, WA) |
| HHS➣Hillside High School (Durham, NC) |
| HHS➣Hermiston High School (Oregon) |
| HHS➣Harbor High School (California) |
| HHS➣Highland High School |
| HHS➣Highland High School (Bakersfield, CA) |
| HHS➣Handelshögskolan I Stockholm (Stockholm School of Economics) |
| HHS➣Hillsboro High School (Oregon) |
| HHS➣Hoover High School |
| HHS➣Hollywood High School (Los Angeles, CA, USA) |
| HHS➣Heritage High School |
| HHS➣Household Health Survey (various organizations) |
| HHS➣Hipath Host System |
| HHS➣Hicom Host System |
| HHS➣Hamden High School (Connecticut) |
| HHS➣Hastings High School (Houston, Texas) |
| HHS➣Holland High School (Michigan) |
| HHS➣Housing and Human Services (various locations) |
| HHS➣Hamilton High School (USA) |
| HHS➣Harrison High School |
| HHS➣Hilltop High School (Chula Vista, CA) |
| HHS➣Hillcrest High School (USA) |
| HHS➣Hampton High School (Virginia) |
| HHS➣Huron High School (USA) |
| HHS➣Homestead High School (various, USA) |
| HHS➣Hudson High School (Hudson, Massachusetts) |
| HHS➣Harrisonburg High School (Virginia) |
| HHS➣Heritage Humane Society (Williamsburg, VA) |
| HHS➣Huntington High School (West Virginia) |
| HHS➣Hays High School |
| HHS➣Hillsborough High School (New Jersey) |
| HHS➣Horizon High School |
| HHS➣House to House Survey (various locations) |
| HHS➣Haven Humane Society (Anderson, CA) |
| HHS➣Hackensack High School (New Jersey) |
| HHS➣Howell High School (Howell, Michigan) |
| HHS➣Hudson Historical Society (Hudson, MA) |
| HHS➣Heart-Hand Syndrome (group of genetic disorders) |
| HHS➣Hemlock High School (Michigan) |
| HHS➣Hillsdale High School (USA) |
| HHS➣Hammond High School (Maryland) |
| HHS➣Hickory High School |
| HHS➣Hawthorne High School (various locations) |
| HHS➣Howard High School (Maryland) |
| HHS➣Healdsburg High School (Healdsburg, California) |
| HHS➣Hernando High School (Florida) |
| HHS➣Haverford High School (Havertown, PA) |
| HHS➣Harlingen High School (Texas) |
| HHS➣Helpers of the Holy Souls (est. 1856; religious society) |
| HHS➣Hopewell High School (Virginia) |
| HHS➣Hundred Houses Society (UK) |
| HHS➣Heritage Junior/Senior High School (Monroeville, Indiana) |
| HHS➣Holyoke High School (Holyoke, Massachusetts) |
| HHS➣Hightstown High School (Hightstown, NJ) |
| HHS➣Hindu-Hitachi Scholarships (est. 1959; India and Japan) |
| HHS➣Heidelberg High School (Heidelberg, MS, USA) |
| HHS➣Hazen High School (Renton, Washington) |
| HHS➣Harcourt Health Sciences |
| HHS➣Hueneme High School (Oxnard, CA) |
| HHS➣Henrico High School (Viginia) |
| HHS➣Harpeth High School (Kingston Springs, Tennessee) |
| HHS➣Hypothenar Hammer Syndrome |
| HHS➣Hoyeraal-Hreidarsson Syndrome |
| HHS➣Hempfield High School (Pennsylvania) |
| HHS➣Historical Harp Society |
| HHS➣Houlton High School |
| HHS➣Hobbs High School |
| HHS➣Hispanic Honor Society |
| HHS➣Housing Hospitality Services (University of California, Los Angeles) |
| HHS➣Haslett High School (Michigan) |
| HHS➣Hononegah High School (Rockton, Il) |
| HHS➣Horseheads High School |
| HHS➣Hamlin High School (West Virginia) |
| HHS➣Hauppauge High School (Hauppauge, NY) |
| HHS➣Hollywood Historical Society (Florida) |
| HHS➣Helix High School (La Mesa, CA, USA) |
| HHS➣Hawkinsville High School (Georgia) |
| HHS➣Hermantown High School (Hermantown, MN) |
| HHS➣Headquarters and Headquarters Squadron |
| HHS➣Hrvatski Hokejski Savez (Croatian Hockey Federation) |
| HHS➣Hughesville High School (Pennsylvania) |
| HHS➣Holdenville High School (Holdenville, Oklahoma) |
| HHS➣Hall-Hitner Syndrome |
| HHS➣Henryetta High School (Oklahoma) |
| HHS➣Hindi High School (Mumbai, India) |
| HHS➣Hrvatski Hrvacki Savez (Croatian Wrestling Association) |
| HHS➣Hyperosmotic Hyperglycemic State |
| HHS➣Hawarden High School (UK) |
| HHS➣Huguenot Historical Street (New York) |