APDI
| Acronym | Definition |
|---|---|
| APDI | Association of Private Detectives of India |
| APDI | Association of Professional Dancers in Ireland |
| APDI | Application Programming and Development, Inc. (est. 1990; Waldorf, MD) |
| APDI | Asian and Pacific Development Institute (UN; now Asian and Pacific Development Centre) |
| APDI | Anisotropic Point-Dipole Interaction |
| APDI | Average Post Detection Integration |