| Part of speech | unknown part of speech |
|---|
| Catalan | Termòpiles |
|---|---|
| Czech | Termopyly |
| Danish | Thermopylæ |
| Dutch | Thermopylae; Thermopylen |
| English | Thermopylae |
| French | Thermopyles |
| German | Thermopylen |
| Greek | Θερμοπύλες |
| Greek (Old Greek) | Θερμοπίλαι |
| Icelandic | Laugahlið; Laugaskarð; Laugaskörð |
| Italian | Termopili |
| Latin | Thermopylae |
| Luxemburgish | Thermopylen |
| Norwegian | Thermopylene |
| Polish | Termopile |
| Portuguese | Termópilas |
| Russian | Фермопилы |
| Spanish | Termópilas |
| Swedish | Thermopyle |