| HAART | Highly Active Antiretroviral Therapy | 鸡尾酒疗法 |
| HAART | Humanistic Alternatives to Addiction, Research and Treatment | 成瘾、研究和治疗的人文替代方案 |
| HAART | Henryetta Animal Aid Rescue Team | 亨利埃塔动物救援队 |
| HAART | Histamine activating antiviral regressive therapy | 组胺激活抗病毒消退疗法 |
| HAART | Highly Active Anti Retroviral Therapy | 高效抗逆转录病毒治疗 |
| HAART | Highly Active Anti Retroviral Treatment | 高活性抗逆转录病毒治疗 |
| HAART | HIV/AIDS Alliance for Region Two, Inc. | HIV / AIDS联盟两种股份有限公司,香港特别行政区 |