| Language | Name | Code |
|---|---|---|
| Afrikaans | Southend-on-Sea | af |
| Aragonese | Southend-on-Sea | an |
| Arabic | ساوثند أون سي | ar |
| arz | ساوثند اون سى | arz |
| Asturian | Southend-on-Sea | ast |
| Azerbaijani | Sautend-on-Si | az |
| azb | ساوتند-آن-سی | azb |
| Belarusian | Саўтэнд-он-Сі | be |
| Bengali | সাউথএন্ড-অন-সী | bn |
| Catalan | Southend-on-Sea | ca |
| Cebuano | Southend-on-Sea | ceb |
| Czech | Southend-on-Sea | cs |
| Welsh | Southend-on-Sea | cy |
| Danish | Southend-on-Sea | da |
| German | Southend-on-Sea | de |
| Modern Greek (1453-) | Σάουθεντ-ον-Σι | el |
| English | Southend-on-Sea | en |
| en-gb | Southend-on-Sea | en-gb |
| Esperanto | Southend-on-Sea | eo |
| Spanish | Southend-on-Sea | es |
| Basque | Southend-on-Sea | eu |
| Persian | ساوتند-آن-سی | fa |
| Finnish | Southend-on-Sea | fi |
| French | Southend-on-Sea | fr |
| frr | Southend-on-Sea | frr |
| Irish | Southend-on-Sea | ga |
| Gujarati | સાઉથએન્ડ-ઓન-સી | gu |
| Hebrew | סאות'אנד-און-סי | he |
| Hungarian | Southend-on-Sea | hu |
| Armenian | Սաութենդ-օն-Սի | hy |
| Indonesian | Southend-on-Sea | id |
| Icelandic | Southend-on-Sea | is |
| Italian | Southend-on-Sea | it |
| Japanese | サウスエンド・オン・シー | ja |
| Kannada | ಸೌಥೆಂಡ್-ಆನ್-ಸೀ | kn |
| Korean | 사우스엔드온시 | ko |
| Luxembourgish | Southend-on-Sea | lb |
| lld | Southend-on-Sea | lld |
| Lithuanian | Pajūrio Sautendas | lt |
| Latvian | Sautendonsī | lv |
| Malay (macrolanguage) | Southend-on-Sea | ms |
| nan | Southend-on-Sea | nan |
| Norwegian Bokmål | Southend-on-Sea | nb |
| Dutch | Southend-on-Sea | nl |
| Norwegian Nynorsk | Southend-on-Sea | nn |
| Polish | Southend-on-Sea | pl |
| Portuguese | Southend-on-Sea | pt |
| Quechua | Southend-on-Sea | qu |
| Romanian | Southend-on-Sea | ro |
| Russian | Саутенд-он-Си | ru |
| Scots | Southend-on-Sea | sco |
| sh | Southend-on-Sea | sh |
| Slovak | Southend-on-Sea | sk |
| Serbian | Саутенд на Мору | sr |
| sr-ec | Саутенд на Мору | sr-ec |
| sr-el | Sautend na Moru | sr-el |
| Swedish | Southend-on-Sea | sv |
| Swahili (macrolanguage) | Southend-on-Sea | sw |
| szl | Southend-on-Sea | szl |
| Tamil | சௌதென்ட்-ஆன் -கடல் | ta |
| Telugu | సౌత్ ఎండ్-ఆన్-సీ | te |
| Turkish | Southend-on-Sea | tr |
| Tatar | Саутенд-он-Си | tt |
| Ukrainian | Саутенд-он-Сі | uk |
| Urdu | ساوتھاینڈ-آن-سی | ur |
| Volapük | Southend-on-Sea | vo |
| war | Southend-on-Sea | war |
| yue | 修安 | yue |
| Chinese | 濱海紹森德 | zh |
| zh-hans | 滨海绍森德 | zh-hans |
| zh-hant | 修安 | zh-hant |