| HAS | SHANGHAI HAI HUA SHIPPING CO., LTD | 上海海华轮船有限公司 |
| HAS | Highest asymptomatic dose | 最大无症状剂量 |
| HAS | Heartland Apicultural Society | Heartland养蜂协会 |
| HAS | Healing Arts Society (former group at Worcester Polytechnic Institute) | 康复艺术协会（伍斯特理工学院前团体） |
| HAS | Horatio Alger Society | Horatio Alger协会 |
| HAS | Human-As-Sensor (military) | 人体As传感器（军用） |
| HAS | Hit Avoidance System | 防撞系统 |
| HAS | Hand-Off AT&T Switch | 当美国电话电报公司的开关 |
| HAS | Hyper Amorphous Silicon (TFT LCD) | 超非晶硅（TFT LCD） |
| HAS | Hyperion Sensor Assembly | Hyperion传感器组件 |
| HAS | Hardened Aircraft Shelter | 加固的飞机掩体 |
| HAS | High Availability Subsystem | 高可用性子系统 |
| HAS | Hanford Analytical Services | 汉福德分析服务 |
| HAS | High Angle Strafe | 大角度直线 |
| HAS | Houston Airport System | 休斯顿机场系统 |
| HAS | Higher, Adjacent, Supporting (USMC) | 更高、相邻、支持（USMC） |
| HAS | Hospital Accreditation Standards | 医院认证标准 |
| HAS | Highest Average Salary (employee benefits) | 最高平均工资（员工福利） |
| HAS | Hrvatski Atletski Savez (Croatian Athletic Federation) | Hrvatski Atletski Savez（克罗地亚田径联合会） |
| HAS | Horticultural Art Society | 园艺艺术学会 |
| HAS | Homeland Air Security | 国土航空安全 |
| HAS | Helleniki Aeroporia Stratu (Greek Army) | Helleniki Aeroporia Stratu（希腊陆军） |
| HAS | Hydrometeorological Analysis and Support | 水文气象分析和支持 |
| HAS | human adult serum | 成人血清 |
| HAS | hepatic angiosarcoma | 肝血管肉瘤 |
| HAS | hospital administrative services | 医院行政服务 |
| HAS | high-altitude sampling | 高空取样 |
| HAS | Home Automation System | 家庭自动化系统 |
| HAS | hospital advisory service | 医院咨询服务 |
| HAS | hamilton anxiety scale | 汉密尔顿焦虑量表 |
| HAS | Hco Area Secretary | Hco地区秘书 |
| HAS | Hail, Saudi Arabia | 海尔，沙特阿拉伯 |
| HAS | Height Adjustable Stand | 高度可调支架 |
| HAS | Hospital Administration Software | 医院管理软件 |
| HAS | Herriko Alderdi Sozialista | Herriko Alderdi Sozialista先生 |
| HAS | Home Automation Systems | 家庭自动化系统 |
| HAS | Hot Air Sauna | 热空气桑拿 |
| HAS | Headquarters Application System | 总部应用系统 |
| HAS | Homatropine 5% Eyedrops (ophthalmology) | 5%霍莫托品滴眼液（眼科） |
| HAS | High Speed Arithmetic (package) | 高速算术（包） |
| HAS | Humanitarian Air Service (UN) | 人道主义航空服务（联合国） |
| HAS | Hogere Agrarische School (Netherlands) | Hogere Agrarische学校（荷兰） |
| HAS | Hasbro, Inc. | 孩之宝公司。 |
| HAS | hyperalimentation solution | 高营养液 |
| HAS | Hellenic Actuarial Society | 希腊精算学会 |
| HAS | hospital adjustment scale | 医院调整量表 |
| HAS | Helicopter Antisubmarine Squadron | 反潜直升机中队 |
| HAS | Hour Angle of the Sun | 太阳时角 |
| HAS | HCO Area Secretary (Scientology) | HCO地区秘书（山达基） |
| HAS | Holding Action System | 保持动作系统 |
| HAS | Hydraulic Actuator System | 液压执行器系统 |
| HAS | Headed Anchor Studs (construction) | 有头锚栓（施工） |