| IIH | iproniazide | 异丙叠氮化物 |
| IIH | Instituto de Investigaciones HistÓricas ( UNAM) | Instituto de Investigaciones HistÓricas ( UNAM) |
| IIH | Institute for International Health | 国际卫生研究所 |
| IIH | Institute of International Health at Michigan State University | 密歇根州立大学国际卫生研究所 |
| IIH | Institute of International Health | 国际卫生研究所 |
| IIH | Branschföreningen För Industriell Och Institutionell Hygien (Swedish union of industrial and institutional hyg | Branschföreningen För Industriell Och Institutionell Hygien (Swedish union of industrial and institutional hyg |
| IIH | Intelligent Information Handler | 智能信息处理器 |
| IIH | Intermediate-system To Intermediate-system Hello | 中间系统到中间系统你好 |
| IIH | Idiopathic Intracranial Hypertension (abnormal increase in the pressure of the cerebral spinal fluid without obstruction | 特发性颅内高压（脑脊液压力异常升高，无阻塞 |
| IIH | Input High Current | 输入高电流 |