| Acronym | Definition |
|---|
| ERN➣Extended-Release Niacin |
| ERN➣Eritrean Nakfa (ISO currency code) |
| ERN➣École Royale Navale (French: Royal Naval School; Morocco) |
| ERN➣European Rivers Network |
| ERN➣Entreprise Régionale de Nettoyage (French: Regional Cleaning Company) |
| ERN➣Error-Related Negativity (EEG recording) |
| ERN➣Emergency Response Network |
| ERN➣Employers' Reference Number (various locations) |
| ERN➣Electronic Remittance Notice (US Medicare) |
| ERN➣Encyclopedia of Religion and Nature (Continuum International) |
| ERN➣Édition Régionale Nord (French: North Regional Edition) |
| ERN➣Excise Reference Number (Ireland) |
| ERN➣Environmental Regulatory Number |
| ERN➣Education Recruitment Network (UK) |
| ERN➣Engineering Release Notice |
| ERN➣External Recurrent Neural Network |
| ERN➣Estação Radionaval (Portugal) |
| ERN➣Equipment Revenue Note (New Jersey Health Care Facilities Financing Authority) |
| ERN➣Erasure Relay Network (network with binary erasure channels) |
ern - bulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland