| Acronym | Definition |
|---|
| HDLA | Hollister Dual Language Academy (Hollister, CA) |
| HDLA | Hypothesis Driven Lexical Adaptation |
| HDLA | Hull and District Landlords Association (UK) |
| HDLA | Harbor Defenses of Los Angeles |
| HDLA | Hull District Landlords Association (UK) |
| HDLA | Holly Drive Leadership Academy (San Diego, CA) |
| HDLA | Hardware Description Language Analog |
| HDLA | Hills District Little Athletics (Australia) |
| HDLA | History Day Los Angeles |
| HDLA | Hodgkin's Disease & Lymphoma Association (now Lymphoma Association in the UK) |
| HDLA | High Dam Lake Authority |
| HDLA | Harvey Delaney Landscape Architects (Lynchburg, VA) |
| HDLA | Howick District Landowners Association (South Africa) |
| HDLA | High Definition Los Angeles |