| IADC | Inter-Agency Debris coordination Committee |
|---|---|
| ICT | Information and Communications Technologies |
| IEEPA | International Emergency Economic Powers Act |
| IMT | International Mobile Telecommunications |
| IoT | Internet of Things |
| ISS | International Space Station |
| ISRO | Indian Space Research Organisation |
| ITAR | International Traffic in Arms Regulations |
| ITU | International Telecommunications Union |
| JAXA | Japanese Aerospace Exploration Agency |