| Acronym | Definition |
|---|
| IGPP➣Institute of Geophysics and Planetary Physics (La Jolla, California) |
| IGPP➣Indira Gandhi Paryavaran Puraskar (Indian environmental award) |
| IGPP➣Institut für Grenzgebiete der Psychologie und Psychohygiene eV (Freiburg, Germany) |
| IGPP➣International Guild of Professional Practitioners (massage therapy; UK) |
| IGPP➣Internet Guidepost for Plant Production (online database) |
| IGPP➣Institutional General Plant Project (Lawrence Livermore National Laboratory; Livermore, CA) |
| IGPP➣Intelligent Group Polling Protocol |