| Acronym | Definition |
|---|
| EII | Enfermedad Inflamatoria Intestinal (Spanish: Inflammatory Bowel Disease) |
| EII | Enterprise Information Integration |
| EII | Estado Islámico de Irak (Galician: Islamic State of Iraq) |
| EII | Earth Island Institute |
| EII | Enterprise Information Infrastructure |
| EII | Escuela Ingeniería Industrial (Spanish: Industrial Engineering School; Chili) |
| EII | Energy Intensity Index |
| EII | Enterprise Innovation Institute (Georgia Tech University) |
| EII | Ecole d'Interprètes Internationaux (Belgium) |
| EII | Excellence in Information Integrity |
| EII | Enterprise Information Integrator (IBM) |
| EII | Environmental Impact Index |
| EII | Enterprise Information Interoperability |
| EII | Extremidad Inferior Izquierda (Spanish: Left Leg) |
| EII | Ethical-Intuitive Intratim (socionics) |
| EII | Equipment Installation Instructions |