| Acronym | Definition |
|---|
| ICHD➣International Classification of Headache Disorders |
| ICHD➣International Center for Human Development (think tank) |
| ICHD➣International Council of Human Duties (est. 1993) |
| ICHD➣International Course in Health Development (Netherlands) |
| ICHD➣Intersociety Commission for Heart Disease Resources |
| ICHD➣Iredell County Health Department (Statesville, NC) |