| Term | Full Form | Category |
|---|---|---|
| PDAI | Pemphigus Disease Area Index | Others |
| PDAI | Pennsylvania District Attorneys Institute | Others |
| PDAI | Perianal Disease Activity Index | Others |
| PDAI | Persatuan Dokter Akupuntur Indonesia | Others |
| PDAI | Phelps Dodge Australasia, Inc. | Others |
| PDAI | Pouchitis Disease Activity Index | Others |
| PDAI | Primary Dealers Association of India | Others |
| PDAI | Primary Development/test Aircraft Inventory | Others |
| PDAI | Programa de Desarrollo Agropecuario Integrado | Others |