| 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 |