IOSP
| Acronym | Definition |
|---|---|
| IOSP | Input Output Server Processor |
| IOSP | Integrative and Organ Systems Pharmacology (course; various locations) |
| IOSP | Instytut Organizacji Systemow Produkcyjnych (Polish: Institute of Organization Systems) |
| IOSP | International Order of the Sword and the Pen |
| IOSP | Irrigation Operations Support Project (World Bank) |
| IOSP | Infectious Osteomyelitis of the Symphysis Pubis (bone disease) |