(and other notes on language)
| Albanian | Dragua |
| Arabic | *Not in Roman Alphabet* |
| Azeri | Jdaha |
| Basque | Herensuge |
| Brazilian Portugese | Dragao (tilde on 2nd "a") |
| Breton | Dragon |
| Calabrese | Dragu |
| Catalan | Drac |
| Cherokee | Unktena |
| Chinese | *Not in Roman Alphabet* |
| Croatian | Zmij, Krilat Zmaj, A'daja |
| Czech | Drak |
| Danish | Drage |
| Drow | Tagnik'zur |
| Elvish | Fenume, Amlub, Angulooke, Looke |
| Emiliano Romagnolo | Dregh (accent on "e") |
| English | Dragon |
| Esperanto | Drako |
| Estonian | Draaakon, Lohe |
| Finish | Lohikaarme |
| Flemish | Draak |
| French | Dragon, Megere |
| Frisian | Draak |
| Galacian | Dragon (accent on "o") |
| German | Drachen, Drache, Lindwurm |
| Greek | draconta |
| Hawaiian | Kelekona, Mo'o |
| Hungarian | Sarkany (accents on both "a"s) |
| Icelandic | Dreki |
| Indian | Naga (dragon-Hydra), Makara (morphs form) |
| Irish | Dragon, Draic |
| Italian | Dragon, Draco, Dragone, Drago |
| Japanese | Ryuu, Ryu, Tatsu |
| Lakota Sioux | Unhcegila |
| Latin | Draco |
| Limburgisch | Draak |
| Maori (New Zealand) | Tarakona |
| Mongols | Leongalli (1/2 Lion, 1/2 Cock) |
| Mudnes | Dregh |
| Neopolitan | Drago |
| Norwegian | Drake |
| Piemontese | Drago |
| Polish | Smok |
| Portugese | Dragao (tilde on second "a"), Pervese |
| Reggiano | Dregh |
| Romans | Draco (for both dragons and snakes) |
| Romanian | Dragon, Balaur |
| Russina | *Not in Roman Alphabet* |
| Serbian | Zmaj, Ala-Zmaj |
| Scandinavia | Orm / Ormr |
| Spanish | Dragon (accent on "o"), Endriago |
| Swedish | Drake,Regata, Dragoon |
| Swiss-German | Drache |
| Turkmen | Ajdarha, Ejderha |
| Uyghurce (Uighur) | Ejdiha |
| Venetian | Dragon |
| Wallon | Dragon, Lumecon |
| Welsh | Draig |
Possible Derivations:
Indo-European root derk-, which is associated with sharp and snake sight.
Also might "be derived from the second aorist stem (drake-) of the Greek verb derkonai meaning 'to see clearly' or 'shining from the eye'" (Source: Dictionary of Literary Themes and Motifs, Vol. 1.
Further Reading:TyshaDragon has a list of languages, as well.