ILH
| Acronym | Definition |
|---|---|
| ILH | Interscholastic League of Honolulu (high school athletic conference; est. 1909; Honolulu, HI) |
| ILH | Interior Lighting |
| ILH | Inova Loudoun Hospital (Leesburg, VA) |
| ILH | Idiopathic Laryngeal Hemiplegia (veterinary medicine) |
| ILH | International League of Humanists (Sarajevo, Bosnia and Herzegovina) |
| ILH | Integration Level Hierarchy |
| ILH | Immanuel Lutheran Home (church) |
| ILH | I Love Her/Him |