| Acronym | Definition |
|---|
| EIN➣Employer Identification Number |
| EIN➣Employee Identification Number |
| EIN➣European Internet Network |
| EIN➣Employer Id Number |
| EIN➣Equivalent Input Noise |
| EIN➣Enterprise, Innovation and Networks (Wales, UK) |
| EIN➣Environmental Information Network |
| EIN➣European Ideas Network (think tank) |
| EIN➣Elderhostel Institute Network |
| EIN➣Espace Industriel Nord (French: Northern Industrial Space) |
| EIN➣Election Information Network (Iraq) |
| EIN➣Enron Intelligent Network (Enron) |
| EIN➣European Informatics Network |
| EIN➣Engine Identification Number |
| EIN➣Eindhoven, Netherlands - Welschap (Airport Code) |
| EIN➣European Infertility Network |
| EIN➣Equipment Identification Number |
| EIN➣Effective Input Noise (audio) |
| EIN➣Aer Lingus Limited, Ireland (ICAO code) |
| EIN➣Experimental Integrated Network |
| EIN➣Emitter Index Number |