| Acronym | Definition |
|---|
| HS➣High School |
| HS➣Human Services |
| HS➣Significant wave height |
| HS➣Home School |
| HS➣Heat Shock (cells) |
| HS➣High Speed |
| HS➣Head Start |
| HS➣Hot Spot |
| HS➣Health and Safety |
| HS➣Holy Spirit |
| HS➣Homestuck (webcomic) |
| HS➣Headset |
| HS➣Homeland Security |
| HS➣Howard Stern (radio personality) |
| HS➣Homestuck |
| HS➣Haus (German: House) |
| HS➣Harmonized System |
| HS➣Home Study (adoptions) |
| HS➣Hidradenitis Suppurativa (skin disease) |
| HS➣Harmony Search (computing) |
| HS➣Heat Sink (electronics) |
| HS➣Heat Shield |
| HS➣High Score |
| HS➣High Standard |
| HS➣Headshot (gaming) |
| HS➣Hope Solo (soccer player) |
| HS➣Hinsdale South (Darien, IL) |
| HS➣Homer Simpson (The Simpsons) |
| HS➣Henschel (aircraft; Henschel Flugwerke AG; Germany) |
| HS➣Herpes Simplex (skin disease) |
| HS➣Hazardous Substance |
| HS➣Outer Hebrides (postcode, United Kingdom) |
| HS➣Home Station |
| HS➣Hot Sauce |
| HS➣Hayfield Secondary (Alexandria, VA) |
| HS➣Human Serum |
| HS➣Hispano-Suiza (former car manufacturer) |
| HS➣Heparan Sulfate |
| HS➣Hydrogen Sulfide |
| HS➣Horse Shoe |
| HS➣Hassium (element 108) |
| HS➣Higher Secondary |
| HS➣Han Solo (Star Wars character) |
| HS➣Helicopter Anti-Submarine Squadron (US Navy aviation unit designation used from 1951 to present) |
| HS➣Humic Substance (natural organic matter) |
| HS➣HyperSpace (game) |
| HS➣Handshaking |
| HS➣Harmonious Sedan (Lexus) |
| HS➣Heat Source |
| HS➣HostServ (IRC) |
| HS➣HelpServ (IRC) |
| HS➣Head Shot (gaming) |
| HS➣Hors Service (French: Out of Service) |
| HS➣Hamstrings |
| HS➣Hermetically Sealed |
| HS➣Helter Skelter (Beatles song) |
| HS➣Hamilton Sundstrand (company) |
| HS➣Hot Standby (server connectivity) |
| HS➣Half Step (Gunz the Duel video game) |
| HS➣Hereditary Spherocytosis |
| HS➣HyperStudio (multimedia authoring software) |
| HS➣Heart Sounds |
| HS➣Hand-Shake |
| HS➣Hour of Sleep |
| HS➣Hollywood Squares (TV game show) |
| HS➣Half-Strength |
| HS➣Homo Sapien |
| HS➣Head & Shoulders (shampoo) |
| HS➣Hollands Spoor (railway station; The Hague, Netherlands) |
| HS➣Hebrew Scriptures (Old Testament) |
| HS➣Hockey Skates |
| HS➣Highway Service (Canada Post) |
| HS➣Hand Stamp (philately; a cancel mark) |
| HS➣Heat Sensor |
| HS➣Health Services Technician |
| HS➣Heel Strike (ergonomics) |
| HS➣Hannah Spearritt (musician) |
| HS➣Habitat Suitability (biology) |
| HS➣Horn Strobe (fire alarms) |
| HS➣Horizontal Scale |
| HS➣Hand Switch (industrial control description) |
| HS➣Hemorrhagic Septicemia (pasteurellosis) |
| HS➣Hora Somni (Latin: At Bedtime or Just Before Sleep) |
| HS➣Headquarters and Service |
| HS➣Helioseismology |
| HS➣Headline Sports (television) |
| HS➣Hypothetical Syllogism |
| HS➣Headphones Stereo (Sony Walkman) |
| HS➣House Surgeon |
| HS➣Hard Severe (rock climbing grade) |
| HS➣Harmonized Standard |
| HS➣Histiocyte Society |
| HS➣Hypnotherapy Society |
| HS➣Hollywood Scriptwriter (magazine) |
| HS➣Hair Spring |
| HS➣Hernial Sac |
| HS➣Hic Situs (Latin: Here Is Laid) |
| HS➣Haemophilia Society (UK) |
| HS➣Horizon Sensor (aviation) |
| HS➣Harlem Shake (dance) |
| HS➣Heart Sense (game; University of Pennsylvania; Philadelphia, PA) |
| HS➣Horizontal Slope |
| HS➣Hrvatski Samokres (Croatian pistol brand) |
| HS➣Hardness Surveillance |
| HS➣Hydrofoil Ship |
| HS➣Half Subtractor |
| HS➣Harmonic Sampling (communication systems) |
| HS➣Hawaiian Star (newspaper) |
| HS➣Hamish Sinclair |
| HS➣Hartford & Slocomb Railroad Company |
| HS➣Hydraulic Fluid, Starboard, Ship Service |
| HS➣Highseekers (gaming clan) |
| HS➣He-3 Storage (helium) |
| HS➣Hippocampus Sclerosis (neuropathology) Hippocampus Sclerosis (neuropathology) |