| IH | Inverted Hour | 逆时针 |
| IH | information highway | 信息高速公路 |
| IH | Indirect Heating | 间接加热 |
| IH | Instrument Head | 测量端[头] |
| IH | inpatient hospital | 住院医院 |
| IH | im Hause | 伊姆豪斯 |
| IH | intermittent heparinization | 间歇性肝素化 |
| IH | Interim Headset | 临时耳机 |
| IH | incomplete healing | 不完全愈合 |
| IH | in hospital | 住院 |
| IH | Invocation Handle | 调用句柄 |
| IH | inhibitory hormone | 抑制性激素 |
| IH | idiothic hypercalciuria | 白痴性高钙尿症 |
| IH | immobilization hypercalcemia | 固定性高钙血症 |
| IH | idiopathic hirsutism | 特发性多毛症 |
| IH | Interval History | 间隔历史记录 |
| IH | International Headquarters | 国际司令部 |
| IH | Inner Housing | 内部壳体 |
| IH | Independent Holder (classified documents/material) | 独立的持有者(机密文件/资料) |
| IH | Instituti I Hitorisë (Albanian: Institute of History in Kosova) | Instituti I Hitorisë (Albanian: Institute of History in Kosova) |
| IH | Improved Hawk | 改进的HAWK |
| IH | Intense Hurricane | 强烈飓风 |
| IH | Industrial Hygienist/Hygiene | 工业的牙医/卫生 |
| IH | International House (world organisation) | 国际之家（世界组织） |
| IH | Intermittent Hypoxia | 间歇性缺氧 |
| IH | Idiopathic Hyperventilation | 特发性过度通气 |
| IH | Idiopathic Hemihypertrophy | 特发性半肥大 |
| IH | Indian Hills (College in Iowa) | Indian Hills（爱荷华大学） |
| IH | Icelandic Horse | 冰岛马 |
| IH | Inert Head | 惰性封头 |
| IH | Incredible Hulk (comic character) | 不可思议的绿巨人（漫画人物） |
| IH | Institute of Hydrology (UK) | 英国水文研究所 |
| IH | In House | 内部 |
| IH | Integrated Humanities (schools) | 综合人文学科（学校） |
| IH | inguinal hernia | 腹股沟疝 |
| IH | industrial hygienist | 工业卫生员 |
| IH | intracerebral hematoma | 脑内血肿 |
| IH | International Harvester | 国际收割机公司 |
| IH | Interstate Highway | 州际公路 |
| IH | Intercomputer Handler | 内部计算机处理器 |
| IH | Hold Current (maximum current a fuse will pass without interruption) | 保持电流（保险丝在不中断的情况下通过的最大电流） |
| IH | Intracranial Hypertension | 颅内高压 |
| IH | InformÁciÓs Hivatal (Information Office, Hungary; since 1989) | InformÁciÓs Hivatal (Information Office, Hungary; since 1989) |
| IH | In-House | 内部 |
| IH | Infectious Hepatitis | 传染性肝炎 |
| IH | Individual History | 个人历史记录 |
| IH | Intermediate Host (life cycle of parasites) | 中间宿主（寄生虫的生命周期） |
| IH | Induction Heating | 感应加热 |
| IH | immediate hypersensitivity | 立即超敏反应 |
| IH | indirect hemagglutination | 间接血凝 |
| IH | idiopathic hemochromatosis | 特发性血色病 |
| IH | Immersion Heater | 浸没式加热器 |
| IH | Initial Heading | 首字母标题 |