| European Railway Agency | Agenzia ferroviaria europea |
| European reed warbler | Acrocephalus scirpaceus |
| European Regional Development Fund | Fondo europeo per lo sviluppo regionale |
| European Remote-Sensing Satellite | European Remote-Sensing Satellite |
| European Republicans Movement | Movimento Repubblicani Europei |
| European river lamprey | Lampetra fluviatilis |
| European robin | Erithacus rubecula |
| European Robotic Arm | European Robotic Arm |
| European roller | Coracias garrulus |
| European Scops Owl | Otus scops |
| European scops-owl | Otus scops |
| European sea sturgeon | Acipenser sturio |
| European seabass | rango |
| European Security and Defence Policy | Politica europea di sicurezza e difesa |
| European Serin | Serinus serinus |
| European Shag | Phalacrocorax aristotelis |
| European Shorthair | Gatto europeo |
| European Skate Championships | Campionati europei di pattinaggio di figura |
| European Snow Vole | Chionomys nivalis |
| European Social Forum | European Social Forum |
| European Social Fund | Fondo Sociale Europeo |
| European Southern Observatory | European Southern Observatory |
| European Space Agency | Agenzia Spaziale Europea |
| European Space Astronomy Centre | VILSPA |
| European Space Operations Centre | European Space Operations Centre |
| European Space Research and Technology Centre | European Space Research and Technology Centre |
| European Squid | Loligo vulgaris |
| European standard | standard europeo |
| European Starling | Sturnus vulgaris |
| European Stonechat | Saxicola torquata |
| European symbols | Simboli europei |
| European Telecommunications Standards Institute | European Telecommunications Standards Institute |
| European Trade Union Confederation | Confederazione europea dei sindacati |
| European Train Control System | European Train Control System |
| European tree frog | Hyla arborea |
| European turtle dove | Streptopelia turtur |
| European Union | Unione Europea |
| European Union energy label | Classe di consumo energetico |
| European Union legislative procedure | Procedura legislativa della Comunità europea |
| European Union of Futsal | Union Europea de Futsal |
| European Union symbols | Simboli europei |
| European vehicle registration plates | Targhe automobilistiche europee |
| European Volleyball Championship | Campionati europei di pallavolo maschile |
| European white birch | Betula pendula |
| European Year of Languages | Giornata europea delle lingue |
| European Year of People with Disabilities | Anno europeo delle persone disabili |
| European-Malays | Europei Malayo |
| Europeanism | Europeismo |
| Europid | Europoide |
| europium | europio |
| Europol | Europol |
| Europop | Europop |
| Euroregion | Euroregione |
| EuroSpeedway Lausitz | EuroSpeedway Lausitz |
| Eurosport | Eurosport |
| EuroSprinter | Toro |
| Eurostar | Eurostar |
| Eurostar Italia | Eurostar Italia |
| Eurostat | Eurostat |
| EuroTrip | EuroTrip |
| Eurovan | Fiat Ulysse |
| Eurovision | eurovisione |
| Eurovision Song Contest | Eurofestival |
| Eurozone | zona euro |
| Eurre | Eurre |
| Eurus | Euro |
| Euryale | Euriale |
| Euryale ferox | Euriale |
| Euryalus | Eurialo |
| Euryarchaeota | Euryarchaeota |
| Eurybia | Euribia |
| Eurybiades | Euribiade |
| Euryclea | Euriclea |
| Eurydice | Euridice |
| Eurydice of Egypt | Euridice |
| Eurydome | Euridome |
| Eurylochus | Euriloco |
| Eurysthenes | Euristene |
| Eurystheus | Euristeo |
| Eurystomus | Rolle |
| Eurytus | Eurito |
| Eusebio Kino | Eusebio Francesco Chini |
| Eusebius | Eusebio |
| Eusebius of Caesarea | Eusebio di Cesarea |
| Eusebius of Nicomedia | Eusebio di Nicomedia |
| Euskaltel-Euskadi | Euskaltel-Euskadi |
| Euskirchen | Euskirchen |
| Eusko Alkartasuna | Ea |
| Eusociality | Regina |
| Eustace | Eustachio |
| Eustace the Monk | Eustachio il Monaco |
| Eustachian tube | tromba di Eustachio |
| eustasy | eustatismo |
| Eustathius | Eustasio |
| Eustathius of Sebaste | Eustazio di Sebaste |
| Eustathius of Thessalonica | Eustazio di Tessalonica |
| eustatic | eustatico |
| Eustreptospondylus | Eustreptospondylus oxoniensis |
| Eusébio | Eusébio |
| Eusébio Cardinal Scheid | Eusébio Oscar Scheid |
| Eusébio Scheid | Eusébio Oscar Scheid |
| eutectic | eutettico |
