| IGSS | IAAC Global Summer School 
| Others |
| IGSS | Institute for Green and Sustainable Science
| Others |
| IGSS | Integrated Global Studies School
| Others |
| IGSS | Integrating Genetics and the Social Sciences
| Others |
| IGSS | Interactive Graphical SCADA System
| Others |
| IGSS | Interactive Graphics SCADA System
| Others |
| IGSS | International Gold and Silver Service
| Others |
| IGSS | International Graduate Student Scholarship
| Others |
| IGSS | International Graduate Student Services
| Others |
| IGSS | International Graduate Summer School
| Others |
| IGSS | Introduction to Global South Studies
| Others |