| Acronym | Definition |
|---|
| IGSP | Institute for Genome Sciences and Policy (Genomics Institute) |
| IGSP | Influenza Genome Sequencing Project (Institute for Genomic Research) |
| IGSP | Intercollegiate Graduate Statistics Program |
| IGSP | Intergovernmental Solutions Program |
| IGSP | Independent Gateway Service Provider |
| IGSP | Integrated Graphical Simulation Platform |
| IGSP | International Graduate School of Psychoanalysis |
| IGSP | Interactive Gambling Service Provider |
| IGSP | Interessengemeinschaft für Sozialpsychiatrie (Zurich, Switzerland) |
| IGSP | Interessengemeinschaft für Sozialpsychiatrie Zürich (Zurich, Switzerland) |
| IGSP | International and Global Studies Program |
| IGSP | Inter-Gateway Switching Protocol |
| IGSP | International Glycohemoglobin Standardization Program |
| IGSP | International Group of Solution Providers |
| IGSP | Infranet Global Security Pack |
| IGSP | International Greenland Sea Project |
| IGSP | Improved type Gas Sampling Pipe |
| IGSP | Intergalactic Stellar Population |
| IGSP | Inicial de Penalización Social Gadje |
| IGSP | Infinite Global Solutions Provider |
| IGSP | Institut für Gesundheits-, Sozial- und Personalforschung eK |
| IGSP | Interval Graph Sandwich Problem |
| IGSP | Internet Gaming Service Provider |
| IGSP | Internet Gateway Service Provider |