| AMSA | the Australian Marine Sciences Association | 澳大利亚海洋科学协会 |
| AMSA | acridinylamine methanesulphon-m-anisidide | 吖氨甲磺茴胺 |
| AMSA | American Meat Science Association | 美国肉类科学协会 |
| AMSA | American Medical Student Association | 美国医学学生协会 |
| AMSA | Australian Medical Students Association | 澳大利亚医学生协会 |
| AMSA | Association of Metropolitan Sewerage Agencies | 大都会污水处理机构协会 |
| AMSA | Australian Marine Sciences Association | 澳大利亚海洋科学协会 |
| AMSA | American Medallic Sculpture Association | 美国金属雕塑协会 |
| AMSA | Alberta Metallic Silhouette Association | 阿尔伯塔省金属轮廓协会 |
| AMSA | Al-Azhar Medical Student Association (Cairo, Egypt) | 爱资哈尔医学学生协会（埃及开罗） |
| AMSA | Assateague Mobile Sportfishermen's Association | Assateague移动Sportfishermen的协会 |
| AMSA | Asian Medical Students Association | 亚洲医学生协会 |
| AMSA | Australian Marine Science Association | 澳大利亚海洋科学协会 |
| AMSA | American Mens Studies Association | 美国男子研究协会 |
| AMSA | American Moving and Storage Association | 美国移动和存储协会 |
| AMSA | Austin Mens' Soccer Association | 奥斯丁的男性的足球协会 |
| AMSA | Australian Medical Student's Association | 澳大利亚医学学生的协会 |
| AMSA | Ahmadiyya Muslim Student Association | 艾哈迈迪亚穆斯林学生协会 |
| AMSA | Association of Marist Schools Australia | 澳大利亚海事学校协会 |
| AMSA | American Music Scholarship Association | 美国音乐奖学金协会 |
| AMSA | American Medical Students Association | 美国医学生协会 |
| AMSA | Antimicrobial Specialists and Associates, Inc. | 抗菌专家和联合公司。 |
| AMSA | Army Medical Surveillance Activity | 陆军医疗监督活动 |
| AMSA | Area Maintenance Support Activity (US Army) | 区域维修支持活动（美国陆军） |
| AMSA | Advanced Manned Strategic Aircraft | 先进的有人战略飞机 |
| AMSA | Army Maintenance Support Activity | 陆军维修支持活动 |
| AMSA | Army Materiel Support Activity | 陆军物资保障活动 |
| AMSA | Advanced Math and Science Academy (Marlborough, MA charter school) | 高等数学与科学学院（马尔堡，MA特许学校） |
| AMSA | Allied Military Security Agency | 盟军军事安全局 |
| AMSA | Australian Maritime Safety Authority | 澳大利亚海事安全局 |
| AMSA | Ahmadiyya Muslim Students' Association | 阿哈默底亚穆斯林学生会 |
| AMSA | Autoridad para el Manejo Sustentable de la Cuenca y del Lago de AmatitlÁn (Guatemala) | Autoridad para el Manejo Sustentable de la Cuenca y del Lago de AmatitlÁn (Guatemala) |
| AMSA | Area Maintenance Support Activity | 区域维护支持活动 |
| AMSA | Armored Motor Services of America | 美国装甲机动部队 |
| AMSA | Azienda Milanese Servizi Ambientali, S.p.A. | Azienda Milanese Servizi Ambientali，S.p.A.公司。 |
| AMSA | Advanced Math and Science Academy | 高等数学与科学学院 |