| HSA | Health Sciences Association | 健康科学协会 |
| HSA | Hand Surgical Associates | 手外科协会 |
| HSA | Home School Association | 家庭学校协会 |
| HSA | Holmes Safety Association | 福尔摩斯安全协会 |
| HSA | Handbell Society Of Australasia | 澳大利亚手铃协会 |
| HSA | Hudson Society of Artists (Hudson, OH, USA) | 哈德逊艺术家协会（美国俄亥俄州哈德逊） |
| HSA | Honors Student Association | 荣誉学生协会 |
| HSA | Hinchingbrooke School Association | 欣钦布鲁克学校协会 |
| HSA | Hunter's Shooting Association | 猎人的射击协会 |
| HSA | Handicapped Scuba Association International | 国际残疾人水肺协会 |
| HSA | Honors Scholars Association | 荣誉学者协会 |
| HSA | History Students Association | 历史学生协会 |
| HSA | hospital savings association | 医院储蓄协会 |
| HSA | Horsemanship Safety Association | 马术安全协会 |
| HSA | Humane Slaughter Association | 人类屠宰协会 |
| HSA | The Handicapped Scuba Association | 残疾人水肺协会 |
| HSA | Hmong Student Association | 苗族学生协会 |
| HSA | Hunt Saboteurs Association | 狩猎破坏者协会 |
| HSA | Home and School Association | 家庭和学校协会 |
| HSA | Home Sewing Association | 家庭缝纫协会 |
| HSA | Hoffman Sports Association | 霍夫曼体育协会 |
| HSA | Haiku Society of America | 美国俳句协会 |
| HSA | Hispanic Student Association | 西班牙裔学生协会 |
| HSA | Hawaii Skatepark Association | 夏威夷滑板公园协会 |
| HSA | Housing Studies Association | 住房研究协会 |
| HSA | Homeschoolers' Support Association | Homeschoolers协会的支持 |
| HSA | Healthcare Supplies Association | 医疗用品协会 |
| HSA | Hindu Students Association | 印度学生协会 |
| HSA | Hueston Sailing Association | 休斯顿帆船协会 |
| HSA | Huguenot Society of America | 美国胡格诺派协会 |
| HSA | Health Savings Account (US) | 健康储蓄账户（美国） |
| HSA | Human Serum Albumin | 人血清白蛋白 |
| HSA | Horizon Science Academy | 地平线科学院 |
| HSA | Health and Safety Assurance | 健康和安全保证 |
| HSA | Hazardous Substances Act | 《有害物质法》 |
| HSA | Health Sciences Authority (Singapore) | 卫生科学局（新加坡） |
| HSA | Hydrographic Sciences Australia | 澳大利亚水文科学 |
| HSA | Health Service Area | 卫生服务区 |
| HSA | Health Savings Account | 健康储蓄账户 |
| HSA | Health Services Administrator/Administration (USAF) | 健康服务管理/管理(美国空军) |
| HSA | Health Service Agreement | 健康服务协议 |
| HSA | Hip Structural Analysis | 髋关节结构分析 |
| HSA | Health Science Authority (Singapore) | 卫生科学局（新加坡） |
| HSA | Hydroponics Society of America | 美国水培学会 |
| HSA | Health Scientist Administrator | 健康科学家管理员 |
| HSA | Health Services Agency | 卫生服务局 |
| HSA | High Source Alignment | 高源校准 |
| HSA | Hammons School of Architecture (Drury University) | 哈蒙斯建筑学院（德鲁里大学） |
| HSA | Hot Solo Action | 热门单人动作 |
| HSA | High-Speed Analog | 高速模拟 |
| HSA | Healing Story Alliance | 治愈故事联盟 |
| HSA | Health and Safety Authority (Ireland) | 健康与安全局（爱尔兰） |
| HSA | Harlem School of the Arts (New York, NY) | 哈莱姆艺术学院（纽约州纽约市） |
| HSA | Hach Scanning Analyzer | Hach扫描分析仪 |
| HSA | Homeland Security Agency | 国土安全局 |
| HSA | High System Availability (Cisco) | 高系统可用性（Cisco） |
| HSA | Hexane-Sulfonic Acid | 己烷磺酸 |
| HSA | Herb Society of America | 美国草本植物学会 |
| HSA | hazardous substance act | 危险物质法 |
| HSA | Hawaii State Assessment | 夏威夷州评估 |
| HSA | hospital seminar on audit | 医院审计研讨会 |
| HSA | Harrisons Spy Agency | 哈里森间谍局 |
| HSA | Health and Safety Authority | 健康与安全局 |
| HSA | Highest Station Address | 最高站点地址 |
| HSA | Home Show America | 美国家庭展 |
| HSA | hypersomnia-sleep apnea(syndrome) | 睡眠过度呼吸暂停综合征 |
| HSA | Hampshire Special Ale | 汉普郡特色啤酒 |
| HSA | human salt-poor albumin | 人贫盐白蛋白 |
| HSA | health services administration | 卫生服务管理 |
| HSA | Holt Software Associates | 霍尔特软件公司 |
| HSA | High School Assessment | 高中评估 |
| HSA | Homeland Security Act | 国土安全法 |
| HSA | High Specific Activity | 高比活性 |
| HSA | Headache Associated with Sexual Activity | 与性活动相关的头痛 |
| HSA | Head Stack Assembly (hard disk drives) | 磁头组组件（硬盘驱动器） |
| HSA | Harrison Smith Associates Limited | Harrison Smith Associates有限公司 |
| HSA | Hydrologic Sub-Area | 水文分区 |
| HSA | Hollow-Stem Auger | 空心杆螺旋钻 |
| HSA | Hot Side Aeration | 热侧曝气 |
| HSA | Hazardous Substance Analysis | 有害物质分析 |
| HSA | Hemispheric Social Alliance | 半球社会联盟 |
| HSA | Hellenic Students' Association | 希腊学生会 |
| HSA | Home Savings of America | 美国家庭储蓄 |
| HSA | Hi Specialty America | Hi Specialty美国 |
| HSA | Home Service Area | 家庭服务区 |
| HSA | High Speed Auxiliary | 高速辅助 |
| HSA | Human Serum Albumin Radical | 人血清白蛋白自由基 |
| HSA | Heaven's Sword Army (gaming community) | 天上的刀剑(游戏社区) |
| HSA | Human Services Agency (Nevada) | 人类服务局（内华达州） |
| HSA | Hydroxy Steatic Acid | 羟基硬脂酸 |
| HSA | Humane Slaughter Act of 1958 | 1958年《人类屠宰法》 |
| HSA | Higher Studies Abroad | 国外高等教育 |
| HSA | Hazardous Substances Authority (UK) | 有害物质管理局（英国） |
| HSA | Heartland Spiritual Alliance | Heartland灵性联盟 |
| HSA | High Speed Amphibian | 高速两栖动物 |
| HSA | High Speed Access (CATV) | 高速接入（CATV） |
| HSA | Harmonic Suppressed Antenna | 谐波抑制天线 |