| Acronym | Definition |
|---|
| ISDP | Industry Standard Discovery Protocol (computing) |
| ISDP | International Society for Developmental Psychobiology (San Antonio Texas) |
| ISDP | Information System Development Process |
| ISDP | International Society of Dermatopathology (Half Moon Bay, CA) |
| ISDP | Institute for Security and Development Policy (Stockholm, Sweden) |
| ISDP | Independent Social Democratic Party (Germany) |
| ISDP | Innovative Software Direct Products Plc (London Plus Market) |
| ISDP | I See Dead People (gaming clan) |
| ISDP | Integrated Ship Design and Production (Intergraph CAD software) |
| ISDP | I See Dumb People |
| ISDP | Industry and Science Development Program (Canada) |
| ISDP | Inmate Subject to the Death Penalty |
| ISDP | Information Systems Design Plan |
| ISDP | IPTV Services Delivery Platform (Cisco) |