KOH
| Acronym | Definition |
|---|---|
| KOH | Potassium Hydroxide |
| KOH | Kingdom of Heaven (movie) |
| KOH | Kernel Object Heap |
| KOH | King of Hearts |
| KOH | Knights of Honour (gaming) |
| KOH | Kaleidoscope of Hope (ovarian cancer foundation; est. 2000; Madison, NJ) |
| KOH | Kids on the Hill (Baltimore, MD; community youth organization) |