| Language | Name | Code |
|---|---|---|
| Afrikaans | Slough | af |
| Aragonese | Slough | an |
| Arabic | سلاو | ar |
| arz | سلاو | arz |
| Asturian | Slough | ast |
| azb | اسلاو، اینگیلیس | azb |
| Belarusian | Слау | be |
| be-tarask | Слаў | be-tarask |
| Bulgarian | Слау | bg |
| Bengali | স্লাউ | bn |
| Catalan | Slough | ca |
| Cebuano | Slough | ceb |
| Czech | Slough | cs |
| Welsh | Slough | cy |
| Danish | Slough | da |
| German | Slough | de |
| Modern Greek (1453-) | Σλάου | el |
| English | Slough | en |
| Esperanto | Slough | eo |
| Spanish | Slough | es |
| Estonian | Slough | et |
| Basque | Slough | eu |
| Persian | اسلاو، انگلستان | fa |
| Finnish | Slough | fi |
| French | Slough | fr |
| frr | Slough | frr |
| Western Frisian | Slough | fy |
| Irish | Slough | ga |
| Galician | Slough | gl |
| Gujarati | સ્લૉ | gu |
| hak | Slough | hak |
| Hebrew | סלאו | he |
| Hungarian | Slough | hu |
| Armenian | Սլաու | hy |
| Icelandic | Slough | is |
| Italian | Slough | it |
| Japanese | スラウ | ja |
| Georgian | სლაუ | ka |
| Kannada | ಸ್ಲೊಗ್ | kn |
| Korean | 슬라우 | ko |
| Luxembourgish | Slough | lb |
| lld | Slough | lld |
| Lithuanian | Slau | lt |
| Latvian | Slau | lv |
| Maltese | Slough | mt |
| nan | Slough | nan |
| Norwegian Bokmål | Slough | nb |
| Dutch | Slough | nl |
| Norwegian Nynorsk | Slough | nn |
| Polish | Slough | pl |
| Portuguese | Slough | pt |
| Romanian | Slough | ro |
| Russian | Слау | ru |
| Scots | Slough | sco |
| sh | Slough | sh |
| Slovak | Slough | sk |
| Slovenian | Slough | sl |
| Serbian | Слау | sr |
| sr-ec | Слау | sr-ec |
| sr-el | Slau | sr-el |
| Swedish | Slough | sv |
| Swahili (macrolanguage) | Slough | sw |
| Tamil | சலூக்ஹ் | ta |
| Telugu | స్లౌగ్ | te |
| Turkish | Slough | tr |
| Tatar | Слау | tt |
| Ukrainian | Слау | uk |
| Urdu | سلووگھ | ur |
| Uzbek | Slough | uz |
| vec | Slough | vec |
| Volapük | Slough | vo |
| war | Slough | war |
| Chinese | 斯劳 | zh |
| zh-cn | 斯劳 | zh-cn |
| zh-hans | 斯劳 | zh-hans |
| zh-hant | 斯勞 | zh-hant |
| zh-hk | 斯勞 | zh-hk |
| zh-sg | 斯劳 | zh-sg |
| zh-tw | 斯勞 | zh-tw |