LACH
| Acronym | Definition |
|---|---|
| LACH | Lake Chelan National Recreation Area (US National Park Service) |
| LACH | London Advisory Committee on Heritage (Canada) |
| LACH | Lightweight Amphibious Container Handler |
| LACH | Leukoencephalopathy, Arthritis, Colitis and Hypogammaglobulinemia (medical condition) |
| LACH | Lithuanian American Community of Houston (Houston, TX) |