| Language | Name | Code |
|---|---|---|
| Arabic | اوسان | ar |
| Bengali | ওসান | bn |
| Catalan | Osan | ca |
| Cebuano | Osan | ceb |
| Czech | Osan | cs |
| Danish | Osan | da |
| German | Osan | de |
| Modern Greek (1453-) | Όσαν | el |
| English | Osan | en |
| Esperanto | Osan | eo |
| Spanish | Osan | es |
| Estonian | Osan | et |
| Persian | اوسان | fa |
| Finnish | Osan | fi |
| French | Osan | fr |
| frr | Osan | frr |
| Irish | Osan | ga |
| Galician | Osan | gl |
| Gujarati | ઓસાન | gu |
| hak | Vû-sân-sṳ | hak |
| Hebrew | אוסן | he |
| Hindi | ओसान | hi |
| Indonesian | Osan | id |
| Italian | Osan | it |
| Japanese | 烏山市 | ja |
| Georgian | ოსანი | ka |
| Kannada | ಒಸಾನ್ | kn |
| Korean | 오산시 | ko |
| lfn | Osan | lfn |
| Lithuanian | Osanas | lt |
| Latvian | Osana | lv |
| Mongolian | Усань | mn |
| Marathi | ओसान | mr |
| Malay (macrolanguage) | Osan | ms |
| nan | Osan Chhī | nan |
| Norwegian Bokmål | Osan | nb |
| Dutch | Osan | nl |
| Occitan (post 1500) | Osan | oc |
| Polish | Osan | pl |
| Romanian | Osan | ro |
| Russian | Осан | ru |
| Scots | Osan | sco |
| Sinhala | ඔසාන් | si |
| Sundanese | Osan | su |
| Swedish | Osan | sv |
| Tamil | ஓசன் | ta |
| Telugu | మోసన్ | te |
| Thai | โอซัน | th |
| Tagalog | Osan | tl |
| Turkish | Osan | tr |
| Tatar | Осан (шәһәр) | tt |
| Ukrainian | Осан | uk |
| Urdu | اوسان | ur |
| vec | Osan | vec |
| Vietnamese | Osan | vi |
| war | Osan | war |
| yue | 烏山 | yue |
| Chinese | 烏山市 | zh |
| zh-hans | 乌山市 | zh-hans |