| LSAA | Legal Services Association Australia | 澳大利亚法律服务协会 |
| LSAA | Livestock Saleyard Association of Australia | 澳大利亚牲畜屠宰场协会 |
| LSAA | Lutheran School Athletic Association | 路德会学校体育协会 |
| LSAA | Laboratory School Administrators Association | 实验室学校管理者协会 |
| LSAA | Lutheran Schools Athletic Association | 路德会学校体育协会 |
| LSAA | Lutheran Student Association of America | 美国路德会学生协会 |
| LSAA | Lakeshore Athletic Association (Jacksonville, FL) | 湖岸体育协会(佛罗里达州杰克逊维尔) |
| LSAA | Lake Superior Art Association | 苏必利尔湖艺术协会 |
| LSAA | Lightweight Structures Association of Australasia | 澳大利亚轻型结构协会 |
| LSAA | Local School Administrators Association | 当地学校管理者协会 |
| LSAA | Lower Southampton Athletic Association (UK) | 下南安普顿体育协会(英国) |
| LSAA | Licensed Substance Abuse Associate | 许可物质滥用助理 |
| LSAA | League for Socialist Action Archives | 社会主义行动档案联盟 |
| LSAA | Law School Alumni Association | 法学院校友会 |
| LSAA | Library Science Alumni Association | 图书馆学校友会 |
| LSAA | Leadership Southside Alumni Association | 领导力南方校友会 |
| LSAA | Logistics Support Area Anaconda (US DoD) | Anaconda后勤保障区(美国国防部) |
| LSAA | Lebanese Syndicate of Advertising Agencies | 黎巴嫩广告机构联合会 |
| LSAA | Lone Star Angus Alliance | 孤星安格斯联盟 |
| LSAA | Laboratory Satellite Accumulation Areas | 实验室卫星聚集区 |
| LSAA | late successional assessment area | 晚期演替评估区 |
| LSAA | Lingsoft Automated Attendant | Lingsoft自动助理 |
| LSAA | Location Service Application Agent | 位置服务应用程序代理 |
| LSAA | Lumbar Sacral Adhesive Arachnoiditis | 腰骶部粘连性蛛网膜炎 |
| LSAA | Legal Services Authorities Act (India) | 《法律服务机构法》(印度) |
| LSAA | Law Students Against Alito | 法律系学生反对阿利托 |
| LSAA | Labor School Alumni Association | 劳动学校校友会 |
| LSAA | Longitudinal Study of Ageing in Africa | 非洲老龄化纵向研究 |
| LSAA | Library School Alumni Association | 图书馆学校校友会 |
| LSAA | Lavos Spawn Adoption Agency | Lavos Spawn领养机构 |
| LSAA | Linfield Student Alumni Association (Oregon) | 林菲尔德学生校友会(俄勒冈州) |
| LSAA | local sperm-agglutinating antibodies | 局部精子凝集抗体 |
| LSAA | Law Students for Affirmative Action | 支持平权行动的法律系学生 |
| LSAA | Leadership Slidell Alumni Association | 领导层斯莱德尔校友会 |
| LSAA | Language Studies Alumni Association | 语言研究校友会 |
| LSAA | LimbSaver's American Archer | LimbSaver是美国的弓箭手 |
| LSAA | Leadership Stockton Alumni Association | 领导力斯托克顿校友会 |
| LSAA | Local Substance Abuse Authorities | 当地药物滥用管理局 |
| LSAA | Leadership Sumner Alumni Association | 领导力萨姆纳校友会 |
| LSAA | Leaving the Scene After an Accident | 事故发生后离开现场 |
| LSAA | Lakebed or Streambed Alteration Agreement | 湖床或河床变更协议 |
| LSAA | London SOAS Alumni Association | 伦敦SOAS校友会 |
| LSAA | Lakewood St. Augustine Academy | 莱克伍德圣奥古斯丁学院 |