LADD
| Acronym | Definition |
|---|---|
| LADD | Lifetime Average Daily Dose |
| LADD | Los Angeles Derby Dolls (banked track roller derby league) |
| LADD | Lacrimoauriculodentodigital (syndrome) |
| LADD | Light and Darkness Dragon (YuGiOh trading cards) |
| LADD | Low-Angle Drogue Delivery |
| LADD | Lowest Acceptable Daily Dose |
| LADD | Lens Antenna Deployment Demonstration |
| LADD | Low-Altitude Drogued Delivery |
| LADD | Left Anterior Descending Diagonal |