| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ERA | Esperanto Radikala Asocio | In Esperanto | → Associations → Political parties and movements → Artificial languages (linguistics) |
| ERA | Electrical Replaceable Assembly | In English | → Electrical engineering |
| ERA | Element-Relationship-Attribute | In English | |
| ERA | Équipe de Recherche Associée | In French | → Research policy |
| ERA | Engineering Research Associates | In English | |
| ERA | European Ramblers Association (www.era-ewv-ferp.org) = EWV | Europäische Wandervereinigung | In French = FERP | Fédération Européenne de Randonnée Pédestre | In French |
In English | → Associations → Sport, physical exercises |
| ERA | École Royale de l'Air | In French | → Specialized or polytechnical colleges → Transport and postal services |