IPSO
| Acronym | Definition |
|---|---|
| IPSO | Independent Press Standards Organisation (UK) |
| IPSO | Irish Payment Services Organisation (Ireland) |
| IPSO | International Psychoanalytic Studies Organization (since 1971) |
| IPSO | Internet Protocol Security Option |
| IPSO | International Psychology Students Organization |
| IPSO | International Peace Support Operations (course) |
| IPSO | Information Piety Society of Orthodoxy (Catholic ministry) |
| IPSO | Input, Processing, Storage, Output (computer engineering) |
| IPSO | Original Integrated Protection System |