| Language | Name | Code |
|---|---|---|
| azb | کارلوو | azb |
| Bashkir | Карлово (ҡала) | ba |
| Belarusian | Карлава | be |
| Bulgarian | Карлово | bg |
| Cebuano | Karlovo | ceb |
| Central Kurdish | کارلۆڤۆ | ckb |
| Czech | Karlovo | cs |
| Church Slavic | Карлово | cu |
| Danish | Karlovo | da |
| German | Karlowo | de |
| Modern Greek (1453-) | Κάρλοβο | el |
| English | Karlovo | en |
| Esperanto | Karlovo | eo |
| Spanish | Karlovo | es |
| Persian | کارلووو | fa |
| Finnish | Karlovo | fi |
| French | Karlovo | fr |
| Irish | Karlovo | ga |
| Hebrew | קרלובו | he |
| Croatian | Karlovo | hr |
| Armenian | Կառլովո | hy |
| Japanese | カルロヴォ | ja |
| Kazakh | Карлово | kk |
| kk-arab | كارلوۆو | kk-arab |
| kk-cn | كارلوۆو | kk-cn |
| kk-cyrl | Карлово | kk-cyrl |
| kk-kz | Карлово | kk-kz |
| kk-latn | Karlovo | kk-latn |
| kk-tr | Karlovo | kk-tr |
| Korean | 카를로보 | ko |
| Lithuanian | Karlovas | lt |
| Macedonian | Карлово | mk |
| Dutch | Karlovo | nl |
| Ossetian | Карлово | os |
| Polish | Karłowo | pl |
| Portuguese | Karlovo | pt |
| Romanian | Karlovo | ro |
| Russian | Карлово | ru |
| sh | Karlovo | sh |
| Slovak | Karlovo | sk |
| Serbian | Карлово | sr |
| sr-ec | Карлово | sr-ec |
| sr-el | Karlovo | sr-el |
| Swedish | Karlovo | sv |
| Turkish | Karlıova | tr |
| Tatar | Карлово | tt |
| Ukrainian | Карлово | uk |
| Uzbek | Karlovo | uz |
| Vietnamese | Karlovo | vi |
| war | Karlovo | war |
| Chinese | 卡爾洛沃 | zh |
| zh-cn | 卡尔洛沃 | zh-cn |
| zh-hans | 卡尔洛沃 | zh-hans |
| zh-hant | 卡爾洛沃 | zh-hant |
| zh-hk | 卡爾洛沃 | zh-hk |
| zh-sg | 卡尔洛沃 | zh-sg |
| zh-tw | 卡爾洛沃 | zh-tw |