| Woordsoort | eienaam |
|---|---|
| Afbreking | Da·nub·o |
| Nominatief | Danubo |
|---|---|
| Akkusatief | Danubon |
| Afrikaans | Donau |
|---|---|
| Albanies | Danub |
| Deens | Donau |
| Duits | Donau |
| Engels | Danube; Danube River |
| Faroëes | Donau |
| Fins | Tonava |
| Frans | Danube |
| Grieks | Δούναβης |
| Hongaars | Duna |
| Italiaans | Danubio |
| Katalaans | Danubi |
| Latyn | Danubius; Danuvius; Hister |
| Nederlands | Donau |
| Noors | Donau |
| Pools | Dunaj |
| Portugees | Danúbio |
| Roemeens | Dunăre |
| Russies | Дунай |
| Saterfries | Donau |
| Spaans | Danubio |
| Swahili | Danubi |
| Sweeds | Donau |
| Thai | แม่น้ำดานูบ |
| Tsjeggies | Dunaj |
| Turks | Tuna nehri |
| Wallies | Afon Donaw; Donaw |
| Wes‐Fries | Donau |
| Yslands | Dóná |