E
- East Timor
- Portuguese
- Tetum
- Indonesian (constitutionally enlisted as working language, and still in widely used after 23 years annexation)
- Ecuador
- Spanish (Quechua or Kichwa and Shuar are official languages of intercultural relation, ancient languages are official in their territories.)
- Egypt
- Arabic
- Coptic (de jure language of the Coptic Church)
- El Salvador
- Spanish
- Equatorial Guinea
- Spanish
- French
- Portuguese
- Eritrea
- Arabic (working language)
- Tigrinya (working language)
- English (official)
- Estonia
- Estonian (nationwide official language)
- Russian (de facto minority language)
- Ethiopia
- Amharic (working language)
Read more about this topic: List Of Official Languages By State