| HOA | High Order Assembler | 高阶组装器 |
| HOA | Home Owner's Association | 主人回家的协会 |
| HOA | Home Owners Association | 房主协会 |
| HOA | House Officers Association | 众议院官员协会 |
| HOA | Home Owner Association | 房主协会 |
| HOA | hip osteoarthritis | 髋关节骨性关节炎 |
| HOA | Heart Of Alabama Combined Federal Campaign | 阿拉巴马州心脏联合联邦运动 |
| HOA | Hola, Kenya | 肯尼亚荷拉 |
| HOA | Hairbrains Of Apocalypse | 天启的发脑 |
| HOA | Hand Off Automatic | 自动切换 |
| HOA | Hooked On Aerosol | 挂在气溶胶上 |
| HOA | Home Ownership Accelerating | 住房所有权加速 |
| HOA | Hearing On Assets | 资产听证会 |
| HOA | Home Of Achievers | 成就者之家 |
| HOA | High on ASCII (ASCII art group) | ASCII高级（ASCII艺术组） |
| HOA | Hand Off Accept | 移交接受 |
| HOA | Head of the Operating Administration | 运营管理负责人 |
| HOA | Hackers of America | 美国黑客 |
| HOA | Horsemen of the Apocalypse (Gaming Clan) | 天启骑士（游戏氏族） |
| HOA | Hand - Off - Auto (switch) | 手动-关闭-自动（开关） |
| HOA | Heavy Observation Aircraft | 重型观测飞机 |
| HOA | Heads of Agreement | 协议负责人 |
| HOA | Horn of Africa | 非洲之角 |
| HOA | Hand Osteoarthritis | 手部骨关节炎 |
| HOA | Horse of the Americas | 美洲之马 |
| HOA | Hearing Office Administrator | 听证办公室管理员 |
| HOA | hypertrophic osteoarthritis | 肥厚性骨关节炎 |
| HOA | hypertrophic osteoarthropathy | 肥大性骨关节病 |
| HOA | hemoglobin-oxygen affinity | 血红蛋白氧亲和力 |