| Acronym | Definition |
|---|
| UCMH➣Ultra-Compact Micro Halo (physics) |
| UCMH➣Unitarian Church of Marlborough and Hudson (Massachusetts) |
| UCMH➣Unicoi County Memorial Hospital (Erwin, TN) |
| UCMH➣Underground Church of the Most High (est. 1970) |
| UCMH➣University Centre for Mental Health (Australia) |
| UCMH➣Uniting Care Moreland Hall (alcohol and drug treatment; est. 1970; Australia) |