| Acronym | Definition |
|---|
| IPPN➣Irish Primary Principals' Network (est. 2000; Cork, Ireland) |
| IPPN➣Independent Progressive Politics Network |
| IPPN➣International Progressive Publications Network (online resource) |
| IPPN➣Internet Public Policy Network (est 1999) |
| IPPN➣Inner-Peace Prosperity Network (unidentified flying objects society; Maryland) |
| IPPN➣India-Pakistan Peace Network |