| Acronym | Definition |
|---|
| HSS➣High Speed Steel |
| HSS➣Health and Social Services (various locations) |
| HSS➣Hospital for Special Surgery (New York, NY, USA) |
| HSS➣Humanities and Social Sciences |
| HSS➣Healthcare Software Solutions |
| HSS➣Home Subscriber Server (3GPP) |
| HSS➣History of Science Society |
| HSS➣Health, Safety and Security (US Department of Energy) |
| HSS➣Home Subscriber Service |
| HSS➣Hunter Safety System |
| HSS➣Holy Spirit School (various locations) |
| HSS➣Hollow Structural Section (AISC) |
| HSS➣Heat Sink Support |
| HSS➣High Speed Serial |
| HSS➣Hughes Software Systems |
| HSS➣High Speed Synchronization |
| HSS➣Hosting Solution Software |
| HSS➣High Speed System |
| HSS➣Hypersonic Sound |
| HSS➣Home Subscriber Server |
| HSS➣Host Specific Service |
| HSS➣High Speed Subshelf |
| HSS➣Hollow Steel Section (steel) |
| HSS➣Health and Sport Sciences (various universities) |
| HSS➣Hughes Software Systems (subsidiary of Hughes Network Systems) |
| HSS➣Hydrogen Storage System |
| HSS➣Health Service Support |
| HSS➣Hindu Swayamsevak Sangh (Hindu community organization; est. 1989) |
| HSS➣Hawaiian South Shore (Honolulu, HI) |
| HSS➣Health Sector Strategy (various organizations) |
| HSS➣Henry Street Settlement (New York, NY) |
| HSS➣Hospital Shared Services |
| HSS➣Home Service Store |
| HSS➣Hydraulic Steel Structures (USACE) |
| HSS➣High-Speed Serial |
| HSS➣Health Standards Section |
| HSS➣Host System Software (ITI) |
| HSS➣Human Services Software |
| HSS➣Hospital San Sebastian (Guatemala) |
| HSS➣Humanitarian Settlement Services Program (Australia) |
| HSS➣Healthy School Status (UK) |
| HSS➣Hallervorden-Spatz Syndrome |
| HSS➣Health Status Survey |
| HSS➣Harmonic Suppression System (Harmonics Limited) |
| HSS➣Hokkaido System Science Co., Ltd. (Japan) |
| HSS➣Hrvatska Seljacka Stranka (Croatian Peasants Party) |
| HSS➣Hallermann-Streiff Syndrome |
| HSS➣High School Sailing (various locations) |
| HSS➣High Speed Sealift |
| HSS➣Hyper-Sonic Sound |
| HSS➣High Speed Switch (Sonet) |
| HSS➣Hyperspectral Sensor System |
| HSS➣Health and Support Services |
| HSS➣Heat Self Service (software) |
| HSS➣High School Sweetheart |
| HSS➣High Security Switch |
| HSS➣Heat Shrink Sleeve (coating industry) |
| HSS➣Hash Slinging Slasher (Spongebob Squarepants) |
| HSS➣Higher Strength Steel |
| HSS➣High-End Services Section (National Center for Atmospheric Research) |
| HSS➣High Speed Stability |
| HSS➣Health Support Service (Australia) |
| HSS➣Hulu Sungai Selatan |
| HSS➣Health Screening System |
| HSS➣Humbucker-Single-Single (electric guitar pickup configuration) |
| HSS➣High Speed Solutions (various companies) |
| HSS➣Hrvatski Skijaški Savez (Croatian Ski Federation) |
| HSS➣Heartland Senior Services |
| HSS➣Heavy Grains, Soya Beans and Sorghums (grain trade) |
| HSS➣Homeland Security Services (various locations) |
| HSS➣Hunter Sensor Suite |
| HSS➣Horizontal Stud Soderberg (aluminium production) |
| HSS➣Helicopter Support Ship |
| HSS➣Hrvatski Softball Savez (Croatian Softball Association) |
| HSS➣Hypothetical Stream Scheduler (digital TV) |
| HSS➣Homer Simpson Syndrome (The Simpsons TV cartoon) |
| HSS➣High-Signal Select |
| HSS➣Hardware Support Specialist |
| HSS➣Hepatic Support System (liver system) |
| HSS➣Historiae Societatis Socius (Fellow of the Historical Society) |
| HSS➣Headquarters Support System |
| HSS➣High Spectral Sensor |
| HSS➣Haemonetics Software Solutions (Edmonton, Alberta, Canada) |
| HSS➣Horizontal Store Support |
| HSS➣Hot Spot Simulators |
| HSS➣Home Safety Supply |
| HSS➣Helensvale State School (Gold Coast, Australia) |
| HSS➣Highly Sensitive System |
| HSS➣Headquarters Support Squadron (US DoD) |