| EPA | EnergiePrestatieAdvies | In Dutch | → Energy economics |
| EPA | Engineering Personnel Authorization | In English | → Engineering, technology |
| EPA | Engineering Project Authorization | In English | → Engineering, technology |
| EPA | Environmental Protection Agency | In English | → Public administration, government → Nature → Environment, environmental sciences |
| EPA | Estimated Plan Of Action | In English | → Management |
| EPA | Établissement Public à caractère Administratif | In French | → Public administration, government |
| EPA | Esperanto-Propaganda Asocio de Oomoto | In Esperanto | → Associations |
| EPA | Établissement Public d'Aménagement | In French | → Public administration, government → Regional planning |
| EPA | Elektronikus Periodika Archívum és Adatbázis | In Hungarian | → Electronics |