LRTA
| Acronym | Definition |
|---|---|
| LRTA | Light Rail Transit Association |
| LRTA | Light Rail Transit Authority (Philippines) |
| LRTA | Lowell Regional Transit Authority (Massachusetts) |
| LRTA | Labor Responds to AIDS |
| LRTA | Lowcountry Regional Transportation Authority (South Carolina) |
| LRTA | Los Angeles Retired Teachers' Association |
| LRTA | Lamp Rapid Thermal Anneal (heating method) |