| Language | Name | Code |
|---|---|---|
| Aragonese | Sfax | an |
| Arabic | صفاقس | ar |
| arz | صفاقس | arz |
| azb | صفاقس | azb |
| Bashkir | Сфакс ҡалаһы | ba |
| Belarusian | Сфакс | be |
| be-tarask | Сфакс | be-tarask |
| Bulgarian | Сфакс | bg |
| Bengali | সফেক্স | bn |
| Breton | Sfax | br |
| Catalan | Sfax | ca |
| Cebuano | Sfax (kapital sa lalawigan sa Tunisia) | ceb |
| Czech | Sfax | cs |
| Welsh | Sfax | cy |
| Danish | Sfax | da |
| German | Sfax | de |
| Modern Greek (1453-) | Σφαξ | el |
| English | Sfax | en |
| en-ca | Sfax | en-ca |
| en-gb | Sfax | en-gb |
| Esperanto | Sfakso | eo |
| Spanish | Sfax | es |
| Estonian | Şafāqis | et |
| Basque | Sfax | eu |
| Persian | صفاقس | fa |
| Finnish | Sfax | fi |
| French | Sfax | fr |
| Irish | Sfax | ga |
| Galician | Sfax | gl |
| Gujarati | સ્ફૅક્સ | gu |
| Hebrew | ספקס | he |
| Hindi | साक्स | hi |
| Hungarian | Szfaksz | hu |
| Armenian | Սֆաքս | hy |
| Indonesian | Sfax | id |
| Interlingue | Sfax | ie |
| Ido | Sfax | io |
| Italian | Sfax | it |
| Japanese | スファックス | ja |
| Georgian | სფაქსი | ka |
| kab | Ṣfaqes | kab |
| Kannada | ಸ್ಫಾಕ್ಸ್ | kn |
| Korean | 스팍스 | ko |
| Latin | Sfax | la |
| lmo | Sfax | lmo |
| Lithuanian | Sfaksas | lt |
| Latvian | Sfaksa | lv |
| mdf | Сфакс | mdf |
| Marathi | स्फाक्स | mr |
| Malay (macrolanguage) | Sfax | ms |
| Maltese | Sfax | mt |
| Norwegian Bokmål | Sfax | nb |
| Dutch | Sfax | nl |
| Occitan (post 1500) | Sfax | oc |
| Ossetian | Сфакс | os |
| Polish | Safakis | pl |
| Portuguese | Sfax | pt |
| pt-br | Sfax | pt-br |
| Romanian | Sfax | ro |
| Russian | Сфакс | ru |
| Sicilian | Sfax | scn |
| Scots | Sfax | sco |
| sh | Sfax | sh |
| Sinhala | එස්ෆක්ස් | si |
| Slovak | Sfax | sk |
| Slovenian | Sfax | sl |
| Serbian | Сфакс | sr |
| Swedish | Sfax | sv |
| Swahili (macrolanguage) | Sfax | sw |
| szl | Safakis | szl |
| Tamil | சுபாஸ் | ta |
| Telugu | స్ఫాక్స్ | te |
| Thai | สฟักซ์ | th |
| Turkish | Safakes | tr |
| Ukrainian | Сфакс | uk |
| Urdu | صفاقس | ur |
| Uzbek | Sfaks | uz |
| Vietnamese | Sfax | vi |
| war | Sfax | war |
| Wu Chinese | 斯法克斯 | wuu |
| Chinese | 斯法克斯 | zh |
| zh-cn | 斯法克斯 | zh-cn |
| zh-hans | 斯法克斯 | zh-hans |
| zh-hant | 斯法克斯 | zh-hant |
| Zulu | Sfax | zu |