| Part of speech | common noun |
|---|---|
| Plural | astronomers |
| Afrikaans | sterrekundige |
|---|---|
| Danish | astronom |
| Dutch | astronoom; sterrenkundige |
| Esperanto | astronomiisto; astronomo |
| French | astronome |
| German | Astronom |
| Greek | αστρονόμος |
| Latin | astrologus |
| Low German | astronoom |
| Luxemburgish | Astronom |
| Papiamento | astronómiko; astrónomo |
| Portuguese | astrónomo |
| Russian | астроном |
| Saterland Frisian | Astronom; Stiernfoarsker |
| Spanish | astrónomo |
| Thai | นักดาราศาสตร์ |
| Turkish | astronom |
| Welsh | serydd; seryddwr |
| West Frisian | astronoom |