| AAAD | American Athletic Association of the Deaf (name changed to USADSF: United States of America Deaf Sports Federation) | 美国聋人运动协会（名称改为USADSF：美国聋人体育联合会） |
| AAAD | Association Des Amis Des Archives Diplomatiques | 美国外交档案协会 |
| AAAD | Atlanta Animal Allergy and Dermatology (Atlanta, Georgia) | 亚特兰大动物过敏和皮肤病学（佐治亚州亚特兰大） |
| AAAD | Aromatic Amino Acid Decarboxylase | 芳香氨基酸脱羧酶 |
| AAAD | Administrative Actions and Appeals Division | 行政诉讼和上诉司 |
| AAAD | Advanced Attack Armament Division | 高级攻击武器师 |
| AAAD | Airborne Anti-Tank (Armor) Air Defense | 机载反坦克（装甲）防空 |
| AAAD | Area Agency on Aging & Disability | 区域代理及残疾老化 |
| AAAD | All Arms Air Defence | 所有兵种防空 |
| AAAD | Amebsa Academy of Art Desgn | 阿梅布萨艺术设计学院 |
| AAAD | Alamo Area Aquatics Diving | 阿拉莫地区水上潜水 |
| AAAD | An Army At Dawn | 黎明的军队 |
| AAAD | Apparent Amino Acid Digestibility | 表观氨基酸消化率 |