| Language | Name | Code |
|---|---|---|
| Arabic | كيلكيس | ar |
| arz | كيلكيس | arz |
| Asturian | Kilkis | ast |
| Belarusian | Кілкіс | be |
| Bulgarian | Кукуш | bg |
| Bengali | কিলকিস | bn |
| Cebuano | Kilkís | ceb |
| Czech | Kukuš | cs |
| Church Slavic | Коукоушь | cu |
| Chuvash | Килкис | cv |
| Welsh | Kilkis | cy |
| Danish | Kilkis | da |
| German | Kilkis | de |
| Modern Greek (1453-) | Κιλκίς | el |
| English | Kilkis | en |
| Esperanto | Kilkiso | eo |
| Spanish | Kilkís | es |
| Estonian | Kilkís | et |
| Basque | Kilkis | eu |
| Persian | کیلکیس | fa |
| Finnish | Kilkís | fi |
| French | Kilkís | fr |
| grc | Καλλικόν | grc |
| Gujarati | કિલકિસ | gu |
| Hebrew | קילקיס | he |
| Hindi | किलकिस | hi |
| Croatian | Kilkis | hr |
| Hungarian | Kilkísz | hu |
| Armenian | Կիլկիս | hy |
| Indonesian | Kilkis | id |
| Italian | Kilkis | it |
| Japanese | キルキス | ja |
| Kannada | ಕಿಲ್ಕಿಸ್ | kn |
| Korean | 킬키스 | ko |
| Latin | Callicum | la |
| Lithuanian | Kilkisas | lt |
| Latvian | Kilkisa | lv |
| Macedonian | Кукуш | mk |
| Marathi | किलकीस | mr |
| Malay (macrolanguage) | Kilkis | ms |
| Norwegian Bokmål | Kilkis | nb |
| Dutch | Kilkis | nl |
| Norwegian Nynorsk | Kilkís | nn |
| Polish | Kilkis | pl |
| Portuguese | Kilkis | pt |
| Romanian | Kilkis | ro |
| Russian | Килкис | ru |
| sh | Kilkis | sh |
| Sinhala | කිල්කිස් | si |
| Slovenian | Kilkis | sl |
| Serbian | Кукуш | sr |
| sr-ec | Кукуш | sr-ec |
| sr-el | Kukuš | sr-el |
| Swedish | Kilkis | sv |
| Tamil | கில்கிஸ் | ta |
| Telugu | కిల్ కిస్ | te |
| Thai | เคลคีซ | th |
| Turkish | Kilkis | tr |
| Ukrainian | Кілкіс | uk |
| Urdu | کیلکیس | ur |
| Vietnamese | Kilkis | vi |
| war | Kilkis | war |
| yue | 嬌基斯 | yue |
| Chinese | 基尔基斯 | zh |
| zh-cn | 基尔基斯 | zh-cn |
| zh-hans | 基尔基斯 | zh-hans |
| zh-hant | 基爾基斯 | zh-hant |
| zh-hk | 基爾基斯 | zh-hk |
| zh-sg | 基尔基斯 | zh-sg |
| zh-tw | 基爾基斯 | zh-tw |