# ISO 639:s

This is a list of ISO 639-3 language codes starting with S.
Index | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z
Abbreviations are used in the table as follows:
* Scope (Archived April 21, 2006, at the Wayback Machine. Additional archives: December 15, 2023.): I = individual language, M = macrolanguage, S = special code
* Type (Archived April 21, 2006, at the Wayback Machine. Additional archives: December 14, 2023.): A = ancient (extinct since ancient times), C = constructed, E = extinct (in recent times), H = historical (distinct from its modern form), L = living, S = special code
Retired codes are enclosed in (parentheses).
The column Family contains the generic English name of the language's family or macrolanguage.
| ISO 639 codes | ISO 639 codes | ISO 639 codes | Scope/Type | Family | Language names | Language names | Language names | Language names | Language names | Language names | Language names |
| 639-3 | 639-1 | 639-2B | Scope/Type | Family | Native | eng | fra | spa | zho | rus | deu |
| saa | | | I/L | | | Saba | | | | | |
| sab | | | I/L | | | Buglere | | | | | |
| sac | | | I/L | | | Mesquakie | | | | | |
| sad | | sad | I/L | | | Sandawe | sandawe | | 桑达韦语 | сандаве | |
| sae | | | I/L | | | Sabanês | | | | | |
| saf | | | I/L | | | Safaliba | | | | | |
| sag | sg | sag | I/L | Creole | sängö | Sango | sango | sango | 桑戈语 | санго | Sango |
| sah | | sah | I/L | | Саха | Sakha | iakoute | yakuto | 雅库特语 | якутский | Jakutisch |
| saj | | | I/L | | | Sahu | | | | | |
| sak | | | I/L | | | Sake | | | | | |
| sam | | sam | I/E | | ܐܪܡܝܐ | Aramaic, Samaritan | araméen samaritain | | 萨马利亚阿拉米语 | самаритянский арамейский | |
| san | sa | san | M/A | Indo-European | संस्कृतम् | Sanskrit | sanskrit | sánscrito | 梵语 | санскрит | Sanskrit |
| sao | | | I/L | | | Sause | | | | | |
| (sap) | | | I/L | | | Sanapaná | | | | | |
| saq | | | I/L | | | Samburu | | | | | |
| sar | | | I/E | | | Saraveca | | | | | |
| sas | | sas | I/L | | | Sasak | sasak | | 萨萨克语 | | Sasak |
| sat | | sat | I/L | | संथाली | Santali | santal | santalí | 桑塔利语 | | Santali |
| sau | | | I/L | | | Saleman | | | | | |
| sav | | | I/L | | | Saafi-Saafi | | | | | |
| saw | | | I/L | | | Sawi | | | | | |
| sax | | | I/L | | | Sa | | | | | |
| say | | | I/L | | | Saya | | | | | |
| saz | | | I/L | | | Saurashtra | | | | | |
| sba | | | I/L | | | Ngambay | | | | | |
| sbb | | | I/L | | | Simbo | | | | | |
| sbc | | | I/L | | | Kele (Papua New Guinea) | | | | | |
| sbd | | | I/L | | | Samo, Southern | | | | | |
| sbe | | | I/L | | | Saliba | | | | | |
| sbf | | | I/L | | | Shabo | | | | | |
| sbg | | | I/L | | | Seget | | | | | |
| sbh | | | I/L | | | Sori-Harengan | | | | | |
| sbi | | | I/L | | | Seti | | | | | |
| sbj | | | I/L | | | Surbakhal | | | | | |
| sbk | | | I/L | | | Safwa | | | | | |
| sbl | | | I/L | | | Sambal, Botolan | | | | | |
| sbm | | | I/L | | | Sagala | | | | | |
| sbn | | | I/L | | | Sindhi Bhil | | | | | |
| sbo | | | I/L | | | Sabüm | | | | | |
| sbp | | | I/L | | | Sangu (Tanzania) | | | | | |
| sbq | | | I/L | | | Sileibi | | | | | |
| sbr | | | I/L | | | Sembakung Murut | | | | | |
| sbs | | | I/L | | | Subiya | | | | субия | |
| sbt | | | I/L | | | Kimki | | | | | |
| sbu | | | I/L | | | Stod Bhoti | | | | | |
| sbv | | | I/A | | | Sabine | | | 萨比尼语 | сабинский | |
| sbw | | | I/L | | | Simba | | | | | |
| sbx | | | I/L | | | Seberuang | | | | | |
| sby | | | I/L | | | Soli | | | | | |
| sbz | | | I/L | | | Sara Kaba | | | | | |
| (sca) | | | I/L | | | Sansu | | | | | |
| scb | | | I/L | | | Chut | | | | | |
| sce | | | I/L | | | Dongxiang | | | 东乡语 | | |
| scf | | | I/L | | | San Miguel Creole French | | | | | |
| scg | | | I/L | | | Sanggau | | | | | |
| sch | | | I/L | | | Sakechep | | | | | |
| sci | | | I/L | | | Sri Lankan Creole Malay | | | 斯里兰卡克里奥尔马来语 | | |
| sck | | | I/L | | | Sadri | | | 萨德里语 | | |
| scl | | | I/L | | | Shina | | shina | 希纳语 | | |
| scn | | scn | I/L | | sicilianu | Sicilian | sicilien | siciliano | 西西里语 | сицилийский | Sizilianisch |
| sco | | sco | I/L | | Scots | Scots | scot(s) | escocés | 苏格兰语 | шотландский | Tiefland-Schottisch |
| scp | | | I/L | | | Helambu Sherpa | | | | | |
| scq | | | I/L | | | Sa'och | | | | | |
| scs | | | I/L | | Sahtú Got’ine | Slavey, North | | | | | |
| sct | | | I/L | Austroasiatic | | Southern Katang | | | | | |
| scu | | | I/L | | | Shumcho | | | | | |
| scv | | | I/L | | | Sheni | | | | | |
| scw | | | I/L | | | Sha | | | | | |
| scx | | | I/A | | | Sicel | | | 西库尔语 | сикельский | |
| sda | | | I/L | | | Toraja-Sa'dan | | | | | |
| sdb | | | I/L | | | Shabak | | | | | |
| sdc | | | I/L | | sassaresu | Sardinian, Sassarese | | | 萨丁尼亚-萨萨里语 | сассарский сардинский | |
| (sdd) | | | I/L | | | Semendo | | | | | |
| sde | | | I/L | | | Surubu | | | | | |
| sdf | | | I/L | | | Sarli | | | | | |
| sdg | | | I/L | | | Savi | | | | | |
| sdh | | | I/L | | | Kurdish, Southern | | | 南库尔德语 | южнокурдский | |
| (sdi) | | | I/L | | | Sindang Kelingi | | | | | |
| sdj | | | I/L | | | Suundi | | | | | |
| sdk | | | I/L | | | Sos Kundi | | | | | |
| sdl | | | I/L | | | Saudi Arabian Sign Language | | | 沙特阿拉伯手语 | саудовский жестовый | |
| (sdm) | | | I/L | | | Semandang | | | | | |
| sdn | | | I/L | | | Sardinian, Gallurese | | | 萨丁尼亚-加卢拉语 | галлурский сардинский | |
| sdo | | | I/L | | | Bukar Sadong | | | | | |
| sdp | | | I/L | | | Sherdukpen | | | | | |
| sdq | | | I/L | | | Semandang | | | | | |
| sdr | | | I/L | | | Sadri, Oraon | | | 奥隆-萨德里语 | | |
| sds | | | I/E | | | Sened | | | | | |
| sdt | | | I/E | | | Shuadit | | | 苏阿迪特语 | | |
| sdu | | | I/L | | | Sarudu | | | | | |
| sdx | | | I/L | | | Sibu | | | | | |
| sdz | | | I/L | | | Sallands | | | | | |
| sea | | | I/L | | | Semai | | | | | |
| seb | | | I/L | | | Senoufo, Shempire | | | | | |
| sec | | | I/L | | Shashishalhem | Sechelt | | | | | |
| sed | | | I/L | | | Sedang | | | | | |
| see | | | I/L | Iroquoian | Onõtowáka | Seneca | seneca | seneca | | | |
| sef | | | I/L | | | Senoufo, Cebaara | | | | | |
| seg | | | I/L | | | Segeju | | | | | |
| seh | | | I/L | | | Sena | | | | | |
| sei | | | I/L | | Cmiique Iitom | Seri | | seri | | | |
| sej | | | I/L | | | Sene | | | | | |
| sek | | | I/L | | Tsek’ehne | Sekani | sekani | | | | |
| sel | | sel | I/L | | шӧльӄумыт | Selkup | selkoup | selkup | 塞尔库普语 | селькупский | Selkupisch |
| sen | | | I/L | | | Sénoufo, Nanerigé | | | | | |
| seo | | | I/L | | | Suarmin | | | | | |
| sep | | | I/L | | | Sénoufo, Sìcìté | | | | | |
| seq | | | I/L | | | Sénoufo, Senara | | | | | |
| ser | | | I/L | | | Serrano | | serrano | | | |
| ses | | | I/L | | | Songhai, Koyraboro Senni | | | | | |
| set | | | I/L | | | Sentani | | | | | |
| seu | | | I/L | | | Serui-Laut | | | | | |
| sev | | | I/L | | | Senoufo, Nyarafolo | | | | | |
| sew | | | I/L | | | Sewa Bay | | | | | |
| sey | | | I/L | | | Secoya | | secoya | | | |
| sez | | | I/L | | | Chin, Senthang | | | | | |
| sfb | | | I/L | | | Langue des signes de Belgique Francophone | | | | | |
| sfe | | | I/L | | | Eastern Subanen | | | | | |
| sfm | | | I/L | | | Small Flowery Miao | | | 小花苗语 | | |
| sfs | | | I/L | | | South African Sign Language | | | 南非手语 | южно-африканский жестовый | |
| sfw | | | I/L | | | Sehwi | | | | | |
| sga | | sga | I/H | | | Old Irish | irlandais ancien | irlandés antiguo | 古爱尔兰语 | староирландский | Altirisch |
| sgb | | | I/L | | | Ayta, Mag-Anchi | | | | | |
| sgc | | | I/L | | | Kipsigis | | | | | |
| sgd | | | I/L | | | Surigaonon | | | | | |
| sge | | | I/L | | | Segai | | | | | |
| sgg | | | I/L | | | Swiss-German Sign Language | | | 瑞士德语区手语 | | Schweizer Zeichensprache |
| sgh | | | I/L | | | Shughni | | | | | |
| sgi | | | I/L | | | Suga | | | | | |
| sgj | | | I/L | | | Surgujia | | | | | |
| sgk | | | I/L | | | Sangkong | | | 桑孔语 | | |
| (sgl) | | | I/L | | | Sanglechi-Ishkashimi | | | | | |
| sgm | | | I/E | | | Singa | | | | | |
| (sgo) | | | I/L | | | Songa | | | | | |
| sgp | | | I/L | | | Singpho | jinghpo | | | | |
| sgr | | | I/L | | | Sangisari | | | | | |
| sgs | | | I/L | | | Samogitian | | | | самогитский | |
| sgt | | | I/L | | | Brokpake | | | | | |
| sgu | | | I/L | | | Salas | | | | | |
| sgw | | | I/L | | | Sebat Bet Gurage | | | | | |
| sgx | | | I/L | | | Sierra Leone Sign Language | | | 塞拉利昂手语 | сьерра-леонский жестовый | |
| sgy | | | I/L | | | Sanglechi | | | | | |
| sgz | | | I/L | | | Sursurunga | | | | | |
| sha | | | I/L | | | Shall-Zwall | | | | | |
| shb | | | I/L | | | Ninam | | | | | |
| shc | | | I/L | | | Sonde | | | | | |
| shd | | | I/L | | | Kundal Shahi | | | | | |
| she | | | I/L | | | Sheko | | | | | |
| shg | | | I/L | | | Shua | | | | | |
| shh | | | I/L | | Sosoni' | Shoshoni | | | | | |
| shi | | | I/L | | تشلحيت | Tachelhit | chleuh | | | | |
| shj | | | I/L | | | Shatt | | | | | |
| shk | | | I/L | | | Shilluk | shiluk | | | | |
| shl | | | I/L | | | Shendu | | | | | |
| shm | | | I/L | | | Shahrudi | | | | | |
| shn | | shn | I/L | | | Shan | chan | | 掸语 | шанский | |
| sho | | | I/L | | | Shanga | | | | | |
| shp | | | I/L | | | Shipibo-Conibo | | shipibo-conibo | | | |
| shq | | | I/L | | | Sala | | | | | |
| shr | | | I/L | | | Shi | | | | ши | |
| shs | | | I/L | | Secwepemctsin | Shuswap | | | | | |
| sht | | | I/E | | | Shasta | | shasta | | | |
| shu | | | I/L | Arabic | | Arabic (Chadian) | | | | арабский (Чад) | Arabisch (Chad) |
| shv | | | I/L | | | Shehri | | | | | |
| shw | | | I/L | | | Shwai | | | | | |
| shx | | | I/L | | | She | | | 畲语 | | |
| shy | | | I/L | | Tachawit | Tachawit | chaoui | | 沙维亚语 | | |
| shz | | | I/L | | | Senoufo, Syenara | | | | | |
| sia | | | I/E | | | Sami, Akkala | | | | аккала | |
| sib | | | I/L | | | Kenyah, Sebob | | | | | |
| (sic) | | | I/L | | | Malinguat | | | | | |
| sid | | sid | I/L | | Sidámo | Sidamo | sidamo | | 锡达莫语 | сидама | Sidama |
| sie | | | I/L | | | Simaa | | | | | |
| sif | | | I/L | | | Siamou | | | | | |
| sig | | | I/L | | | Paasaal | | | | | |
| sih | | | I/L | | | Zire | | | | | |
| sii | | | I/L | | | Shom Peng | | | | | |
| sij | | | I/L | | | Numbami | | | | нумбами | Numbami |
| sik | | | I/L | | | Sikiana | | sikiana | | | |
| sil | | | I/L | | | Sisaala, Tumulung | | | | | |
| sim | | | I/L | | | Mende (Papua New Guinea) | | | | | |
| sin | si | sin | I/L | Indo-European | සිංහල | Sinhala; Sinhalese | singhalais | cingalés | 僧加罗语; 僧伽罗语 | сингальский | Singhalesisch |
| sip | | | I/L | | | Sikkimese | | | | сиккимский | |
| siq | | | I/L | | | Sonia | | | | | |
| sir | | | I/L | | | Siri | | | | | |
| sis | | | I/E | | | Siuslaw | | | | | |
| siu | | | I/L | | | Sinagen | | | | | |
| siv | | | I/L | | | Sumariup | | | | | |
| siw | | | I/L | | | Siwai | | | | | |
| six | | | I/L | | | Sumau | | | | | |
| siy | | | I/L | | | Sivandi | | | | | |
| siz | | | I/L | | | Siwi | | | | | |
| sja | | | I/L | | | Epena | | | | | |
| sjb | | | I/L | | | Sajau Basap | | | | | |
| sjd | | | I/L | | самь | Sami, Kildin | | | 基尔丁-萨米语 | кильдинский саамский | |
| sje | | | I/L | | | Sami, Pite | | | 皮特-萨米语 | пите-саамский | |
| sjg | | | I/L | | | Assangori | | | | | |
| sjk | | | I/E | | | Sami, Kemi | | | 凯米-萨米语 | кеми-саамский | |
| sjl | | | I/L | | | Sajalong | | | | | |
| sjm | | | I/L | | | Mapun | | | | | |
| sjn | | | I/C | | | Sindarin | | | 辛达林 | Синдарин | Sindarin |
| sjo | | | I/L | | ᠰᡞᠪᡝ ᡤᡞᠰᡠᠨ | Xibe | | | 锡伯语 | | |
| sjp | | | I/L | | | Surajpuri | | | 素拉杰普尔语 | | |
| sjr | | | I/L | | | Siar-Lak | | | | | |
| sjs | | | I/E | | | Senhaja De Srair | | | | | |
| sjt | | | I/L | | | Sami, Ter | | | | терско-саамский | |
| sju | | | I/L | | | Sami, Ume | | | | уме-саамский | |
| sjw | | | I/L | | Shaawanwaʼ | Shawnee | shawnee | shawnee | | | |
| ska | | | I/L | | | Skagit | | | | | |
| skb | | | I/L | | | Saek | | | 石语 | | |
| skc | | | I/L | | | Sauk | | sauk | | | |
| skd | | | I/L | | | Miwok, Southern Sierra | | | | | |
| ske | | | I/L | | | Seke (Vanuatu) | | | | | |
| skf | | | I/L | | | Sakirabiá | | sakirabiá | | | |
| skg | | | I/L | | | Malagasy, Sakalava | | | | | |
| skh | | | I/L | | | Sikule | | | | | |
| ski | | | I/L | | | Sika | | | | | Sika |
| skj | | | I/L | | | Seke (Nepal) | | | | | |
| (skk) | | | I/L | | | Sok | | | | | |
| (skl) | | | I/L | | | Selako | | | | | |
| skm | | | I/L | | | Sakam | | | | | |
| skn | | | I/L | | | Subanon, Kolibugan | | | | | |
| sko | | | I/L | | | Seko Tengah | | | | | |
| skp | | | I/L | | | Sekapan | | | | | |
| skq | | | I/L | | | Sininkere | | | | | |
| skr | | | I/L | | | Saraiki | | | 西莱基语 | | |
| sks | | | I/L | | | Maia | | | | | |
| skt | | | I/L | | | Sakata | | | | | |
| sku | | | I/L | | | Sakao | | | | | |
| skv | | | I/L | | | Skou | | | | | |
| skw | | | I/E | | | Skepi Creole Dutch | | | | | |
| skx | | | I/L | | | Seko Padang | | | | | |
| sky | | | I/L | | | Sikaiana | | | | | Sikaiana |
| skz | | | I/L | | | Sekar | | | | | Sekar |
| (slb) | | | I/L | | | Kahumamahon Saluan | | | | | |
| slc | | | I/L | | | Sáliba | | | | | |
| sld | | | I/L | | | Sissala | | | | | |
| sle | | | I/L | | | Sholaga | | | | | |
| slf | | | I/L | | | Swiss-Italian Sign Language | | | 瑞士意大利语区手语 | | |
| slg | | | I/L | | | Selungai Murut | | | | | |
| slh | | | I/L | | | Salish, Southern Puget Sound | | | | | |
| sli | | | I/L | | | Silesian, Lower | bas-silésien | | 低地西里西亚语 | нижнесилезский | Schlesisch |
| slj | | | I/L | | | Salumá | | salumá | | | |
| slk | sk | slo | I/L | Indo-European | slovenčina | Slovak | slovaque | eslovaco | 斯洛伐克语 | словацкий | Slowakisch |
| sll | | | I/L | | | Salt-Yui | | | | | |
| slm | | | I/L | | | Sama, Pangutaran | | | | | |
| sln | | | I/E | | | Salinan | | | | | |
| slp | | | I/L | | | Lamaholot | | | | | Lamaholot |
| (slq) | | | I/E | | | Salchuq | | | | | |
| slr | | | I/L | | Salar | Salar | | salar | 撒拉语 | саларский | |
| sls | | | I/L | | | Singapore Sign Language | | | 新加坡手语 | сингапурский жестовый | Singapurianische Zeichensprache |
| slt | | | I/L | | | Sila | | | | | |
| slu | | | I/L | | | Selaru | | | | | Selaru |
| slv | sl | slv | I/L | Indo-European | slovenščina | Slovenian | slovène | esloveno | 斯洛文尼亚语、斯洛维尼亚语 | словенский | Slowenisch |
| slw | | | I/L | | | Sialum | | | | | |
| slx | | | I/L | | | Salampasu | | | | | |
| sly | | | I/L | | | Selayar | | | | | |
| slz | | | I/L | | | Ma'ya | | | | | |
| sma | | sma | I/L | | saemi | Southern Sami | sami du Sud | | 南萨米语 | южносаамский | Südsamisch |
| smb | | | I/L | | | Simbari | | | | | |
| smc | | | I/E | | | Som | | | | | |
| (smd) | | | I/L | | | Sama | | | | | |
| sme | se | sme | I/L | Uralic | sámi | Northern Sami | sami du Nord | | 北萨米语 | северносаамский | Nordsamisch |
| smf | | | I/L | | | Auwe | | | | | |
| smg | | | I/L | | | Simbali | | | | | |
| smh | | | I/L | | | Samei | | | 撒梅语 | | |
| smj | | smj | I/L | | sámi | Lule Sami | sami de Lule | | 律勒欧-萨米语 | луле-саамский | Lulesamisch |
| smk | | | I/L | | | Bolinao | | | | | |
| sml | | | I/L | | | Sama, Central | | | | | |
| smm | | | I/L | | | Musasa | | | 穆萨斯语 | | |
| smn | | smn | I/L | | säämi | Inari Sami | sami d'Inari | | 伊纳里-萨米语 | инари-саамский | Inarisamisch |
| smo | sm | smo | I/L | Austronesian | gagana Samoa | Samoan | samoan | samoano | 萨摩亚语 | самоанский | Samoanisch |
| smp | | | I/E | | | Samaritan | | | 撒马利亚语 | | |
| smq | | | I/L | | | Samo | samo | | | | |
| smr | | | I/L | | | Simeulue | | | | | |
| sms | | sms | I/L | | sää'm | Skolt Sami | sami skolt | | 斯科特-萨米 | колтта-саамский | Skoltsamisch |
| smt | | | I/L | | | Simte | | | | | |
| smu | | | I/E | | | Somray | | | | | |
| smv | | | I/L | | | Samvedi | | | | | |
| smw | | | I/L | | | Sumbawa | | | 松巴哇语 | | |
| smx | | | I/L | | | Samba | | | | | |
| smy | | | I/L | | | Semnani | | | | | |
| smz | | | I/L | | | Simeku | | | | | |
| sna | sn | sna | I/L | Niger–Congo | chiShona | Shona | shona | sonés | 修纳语; 绍纳语 | шона | Shona |
| (snb) | | | I/L | | | Sebuyau | | | | | |
| snc | | | I/L | | | Sinaugoro | | | | | |
| snd | sd | snd | I/L | Indo-European | سندھی | Sindhi | sindhî | sindí | 信德语; 辛德语 | синдхи | Sindhi |
| sne | | | I/L | | | Jagoi | | | | | Singge |
| snf | | | I/L | | | Noon | | | | | |
| sng | | | I/L | | | Sanga (Democratic Republic of Congo) | | | | | |
| (snh) | | | I/E | | | Shinabo | | shinabo | | | |
| sni | | | I/E | | | Sensi | | sensi | | | |
| snj | | | I/L | | | Sango, Riverain | | | | | |
| snk | | snk | I/L | | Soninkanxaane | Soninke | soninké | | 索宁克语 | | |
| snl | | | I/L | | | Sangil | | | | | |
| snm | | | I/L | | | Ma'di, Southern | | | | | |
| snn | | | I/L | | | Siona | | siona | | | |
| sno | | | I/L | | | Snohomish | | | | | |
| snp | | | I/L | | | Siane | | | | | |
| snq | | | I/L | | | Sangu (Gabon) | | | | | |
| snr | | | I/L | | | Sihan | | | | | |
| sns | | | I/L | | | South West Bay | | | | | |
| snu | | | I/L | | | Senggi | | | | | |
| snv | | | I/L | | | Sa'ban | | | | | |
| snw | | | I/L | | | Selee | | | | | |
| snx | | | I/L | | | Sam | | | | | |
| sny | | | I/L | | | Saniyo-Hiyewe | | | | | |
| snz | | | I/L | | | Sinsauru | | | | | |
| soa | | | I/L | | | Thai Song | | | 宋语 | | |
| sob | | | I/L | | | Sobei | | | | собей | Sobei |
| soc | | | I/L | | | So (Democratic Republic of Congo) | | | | | |
| sod | | | I/L | | | Songoora | | | | | |
| soe | | | I/L | | | Songomeno | | | | | |
| sog | | sog | I/A | | | Sogdian | sogdien | | 粟特语 | согдийский | Sogdisch |
| soh | | | I/L | | | Aka | | | | | |
| soi | | | I/L | | | Sonha | | | | | |
| soj | | | I/L | | | Soi | | | | | |
| sok | | | I/L | | | Sokoro | | | | | |
| sol | | | I/L | | | Solos | | | | | |
| som | so | som | I/L | Afro-Asiatic | Soomaaliga | Somali | somali | somalí | 索马里语; 索马利亚语 | сомали | Somalisch |
| soo | | | I/L | | | Songo | | | | | |
| sop | | | I/L | | | Songe | | | | | |
| soq | | | I/L | | | Kanasi | | | | | |
| sor | | | I/L | | | Somrai | | | | | |
| sos | | | I/L | | | Seeku | | | | | |
| sot | st | sot | I/L | Niger–Congo | Sesotho | Sotho, Southern | sotho du Sud | sesotho | 南索托语 | сесото | Sesotho |
| sou | | | I/L | | | Thai, Southern | | | | южнотайский | |
| sov | | | I/L | | | Sonsorol | | | | сонсорол | Sonsorolesisch |
| sow | | | I/L | | | Sowanda | | | | | |
| sox | | | I/L | | | So (Cameroon) | | | | | |
| soy | | | I/L | | | Miyobe | | | | | |
| soz | | | I/L | | | Temi | | | | | |
| spa | es | spa | I/L | Indo-European | español | Spanish (Castilian) | espagnol | español | 西班牙语 | испанский | Spanisch |
| spb | | | I/L | | | Sepa (Indonesia) | | | | | |
| spc | | | I/L | | | Sapé | | | | | |
| spd | | | I/L | | | Saep | | | | | |
| spe | | | I/L | | | Sepa (Papua New Guinea) | | | | | |
| spg | | | I/L | | | Sian | | | | | |
| spi | | | I/L | | | Saponi | saponi | | | | |
| spk | | | I/L | | | Sengo | | | | | |
| spl | | | I/L | | | Selepet | | | | | |
| spm | | | I/L | | | Sepen | | | | | |
| spn | | | I/L | Mascoian | | Sanapaná | | | | | |
| spo | | | I/L | | | Spokane | | | | | |
| spp | | | I/L | | | Senoufo, Supyire | | | | | |
| spq | | | I/L | | | Spanish, Loreto-Ucayali | | | 洛雷托-乌卡亚利西班牙语; 森林西班牙语 | амазонский испанский | |
| spr | | | I/L | | | Saparua | | | | | |
| sps | | | I/L | | | Saposa | | | | | Saposa |
| spt | | | I/L | | | Spiti Bhoti | | | | | |
| spu | | | I/L | | | Sapuan | | | | | |
| spv | | | I/L | | | Sambalpuri | | | | | |
| spx | | | I/A | | | South Picene | | | 南皮赛恩语 | | |
| spy | | | I/L | | | Sabaot | | | | | |
| sqa | | | I/L | | | Shama-Sambuga | | | | | |
| sqh | | | I/L | | | Shau | | | | | |
| sqi | sq | alb | M/L | Indo-European | Shqip | Albanian | albanais | albanés | 阿尔巴尼亚语 | албанский | Albanisch |
| sqk | | | I/L | | | Albanian Sign Language | | | | албанский жестовый | |
| sqm | | | I/L | | | Suma | | | | | |
| sqn | | | I/E | | | Susquehannock | susquehannock | conestog | | | |
| sqo | | | I/L | | | Sorkhei | | | | | |
| sqq | | | I/L | | | Sou | | | | | |
| sqr | | | I/H | | | Siculo Arabic | | | | сикульский жестовый | |
| sqs | | | I/L | | | Sri Lankan Sign Language | | | 斯里兰卡手语 | | |
| sqt | | | I/L | | | Soqotri | | | 索科特拉语 | | |
| squ | | | I/L | | | Squamish | | | | | |
| sqx | | | I/L | | | Kufr Qassem Sign Language (KQSL) | | | | | |
| sra | | | I/L | | | Saruga | | | | | |
| srb | | | I/L | | | Sora | | | 萨瓦拉语 | | |
| src | | | I/L | | | Sardinian, Logudorese | | | 萨丁尼亚-劳古多罗语 | логудорский сардинский | |
| srd | sc | srd | M/L | Indo-European | sardu | Sardinian | sarde | sardo | 撒丁语, 萨丁尼亚语 | сардинский | Sardisch |
| sre | | | I/L | | | Sara | | | | | |
| srf | | | I/L | | | Nafi | | | | | |
| srg | | | I/L | | | Sulod | | | | | |
| srh | | | I/L | | | Sarikoli | | | 色勒库尔语 | | |
| sri | | | I/L | | | Siriano | | | | | |
| (srj) | | | I/L | | | Serawai | | | | | |
| srk | | | I/L | | | Serudung Murut | | | | | |
| srl | | | I/L | | | Isirawa | | | | | |
| srm | | | I/L | | saamáka | Saramaccan | saramaccan | | | | Saramaccaans |
| srn | | srn | I/L | | Sranang Tongo | Sranan | créole surinamien | sranan | 苏里南汤加语 | сранан | Surinamisch |
| sro | | | I/L | | | Sardinian, Campidanese | | | 萨丁尼亚-坎皮达诺语 | кампиданский сардинский | |
| srp | sr | srp | I/L | Indo-European | српски / srpski | Serbian | serbe | serbio | 塞尔维亚语 | сербский | Serbisch |
| srq | | | I/L | | | Sirionó | | sirionó | | | |
| srr | | srr | I/L | | | Serer | sérère | | 塞雷尔语 | | Serer |
| srs | | | I/L | | | Sarsi | sarsi | | | | |
| srt | | | I/L | | | Sauri | | | | | |
| sru | | | I/L | | | Suruí | | suruí | | | |
| srv | | | I/L | | | Sorsogon, Waray | | | | | |
| srw | | | I/L | | | Serua | | | | | |
| srx | | | I/L | | | Sirmauri | | | | | |
| sry | | | I/L | | | Sera | | | | | |
| srz | | | I/L | | | Shahmirzadi | | | | | |
| ssb | | | I/L | | | Sama, Southern | | | | | |
| ssc | | | I/L | | | Suba-Simbiti | | | | | |
| ssd | | | I/L | | | Siroi | | | | | |
| sse | | | I/L | | | Balangingi | | | | | |
| ssf | | | I/L | | | Thao | | | 邵语 | | Thao |
| ssg | | | I/L | | | Seimat | | | | | Seimat |
| ssh | | | I/L | | | Arabic, Shihhi Spoken | | | | | |
| ssi | | | I/L | | | Sansi | | | | | |
| ssj | | | I/L | | | Sausi | | | | | |
| ssk | | | I/L | | | Sunam | | | | | |
| ssl | | | I/L | | | Sisaala, Western | | | | | |
| ssm | | | I/L | | | Semnam | | | | | |
| ssn | | | I/L | | | Sanye | | | | | |
| sso | | | I/L | | | Sissano | | | | | |
| ssp | | | I/L | | | Spanish Sign Language | | lengua de signos española | 西班牙手语 | испанский жестовый | |
| ssq | | | I/L | | | So'a | | | | | So'a |
| ssr | | | I/L | | | Swiss-French Sign Language | | | 瑞士法语区手语 | | |
| sss | | | I/L | | | Sô | | | | | |
| sst | | | I/L | | | Sinasina | | | | | |
| ssu | | | I/L | | | Susuami | | | | | |
| ssv | | | I/L | | | Shark Bay | | | | | |
| ssw | ss | ssw | I/L | Niger–Congo | siSwati | Swati | swati | swati | 斯瓦特语; 史瓦济兰语 | свати | Siswati |
| ssx | | | I/L | | | Samberigi | | | | | |
| ssy | | | I/L | | | Saho | | | 萨霍语 | | |
| ssz | | | I/L | | | Sengseng | | | | | Sengseng |
| sta | | | I/L | | | Settla | | | | | |
| stb | | | I/L | | | Subanen, Northern | | | | | |
| (stc) | | | I/L | | | Santa Cruz | | | | | |
| std | | | I/L | | | Sentinel | | | | | |
| ste | | | I/L | | | Liana-Seti | | | | | |
| stf | | | I/L | | | Seta | | | | | |
| stg | | | I/L | | | Trieng | | | | | |
| sth | | | I/L | | | Shelta | | | 雪尔塔语 | | |
| sti | | | I/L | | | Stieng, Bulo | | | | | |
| stj | | | I/L | | | Samo, Matya | | | | | |
| stk | | | I/L | | | Arammba | | | | | |
| stl | | | I/L | | | Stellingwerfs | | | | | |
| stm | | | I/L | | | Setaman | | | | | |
| stn | | | I/L | | | Owa | | | | | Santa Ana |
| sto | | | I/L | | Isga Iʼabi | Stoney | stoney | stoney | | | |
| stp | | | I/L | | | Tepehuan, Southeastern | | | | | |
| stq | | | I/L | | Seeltersk | Saterland Frisian | | | 沙特弗里西语 | | Saterfriesisch |
| str | | | I/L | | xʷsenəčqən | Salish, Straits | | | | | |
| sts | | | I/L | | | Shumashti | | | | | |
| stt | | | I/L | | | Stieng, Budeh | | | | | |
| stu | | | I/L | | | Samtao | | | | | |
| stv | | | I/L | | | Silt'e | | | | | |
| stw | | | I/L | | | Satawalese | | | | | |
| sty | | | I/L | Turkic | | Siberian Tatar | | | | сибирско-татарский язык | |
| sua | | | I/L | | | Sulka | | | | | |
| sub | | | I/L | | | Suku | | | | | |
| suc | | | I/L | | | Subanon, Western | | | | | |
| sue | | | I/L | | | Suena | | | | | |
| (suf) | | | I/L | | | Tarpia | | | | | |
| sug | | | I/L | | | Suganga | | | | | |
| (suh) | | | I/L | | | Suba | | | | | |
| sui | | | I/L | | | Suki | | | | | |
| suj | | | I/L | | | Shubi | | | | | |
| suk | | suk | I/L | | | Sukuma | sukuma | | 苏库马语 | сукума | |
| (sul) | | | I/L | | | Surigaonon | | | | | |
| (sum) | | | I/L | | | Sumo-Mayangna | | | | | |
| sun | su | sun | I/L | Austronesian | basa Sunda | Sundanese | soundanais | sundanés | 巽他语 | сунданский | Sundanesisch |
| suo | | | I/L | Skou | | Bouni | | | | | |
| suq | | | I/L | | | Suri | | | | | |
| sur | | | I/L | | | Mwaghavul | | | | | |
| sus | | sus | I/L | | | Susu | soussou | | 苏苏语 | сусу | |
| sut | | | I/E | | | Subtiaba | | subtiaba | | | |
| (suu) | | | I/L | | | Sungkai | | | | | |
| suv | | | I/L | | | Sulung | sulung | | | | |
| suw | | | I/L | | | Sumbwa | | | | | |
| sux | | sux | I/A | | eme-ĝir | Sumerian | sumérien | sumerio | 苏美尔语 | шумерский | Sumerisch |
| suy | | | I/L | | | Suyá | | | | | |
| suz | | | I/L | | | Sunwar | | | | | |
| sva | | | I/L | | ლუშნუ | Svan | svan(e) | suano | 斯万语 | сванский | |
| svb | | | I/L | | | Ulau-Suain | | | | | |
| svc | | | I/L | | | Vincentian Creole English | | | | | |
| sve | | | I/L | | | Serili | | | | | |
| svk | | | I/L | | | Slovakian Sign Language | | | 斯洛伐克手语 | словацкий жестовый | |
| svm | | | I/L | | | Slavomolisano | | | | | |
| (svr) | | | I/L | | | Savara | | savara | | | |
| svs | | | I/L | | | Savosavo | | | | | |
| svx | | | I/H | | | Skalvian | | | | | |
| swa | sw | swa | M/L | Niger–Congo | kiswahili | Swahili (generic) | swahili | suahelí | 斯瓦希里语; 斯瓦西里语 | суахили | Suaheli |
| swb | | | I/L | | شِقُمُرِ | Comorian | comorien | | 科摩罗语 | | |
| swc | | | I/L | | | Swahili, Congo | | | 刚果斯瓦希里语 | | |
| swe | sv | swe | I/L | Indo-European | svenska | Swedish | suédois | sueco | 瑞典语 | шведский | Schwedisch |
| swf | | | I/L | | | Sere | | | | | |
| swg | | | I/L | | Schwäbisch | Swabian | souabe | | 斯瓦比亚语 | швабский | Schwäbisch |
| swh | | | I/L | | | Swahili (specific) | | | 斯瓦希里语; 斯瓦西里语 | | |
| swi | | | I/L | | | Sui | swi | | 水语 | | |
| swj | | | I/L | | | Sira | | | | | |
| swk | | | I/L | | | Sena, Malawi | | | | | |
| swl | | | I/L | | svenskt teckenspråk | Swedish Sign Language | | | 瑞典手语 | шведский жестовый | |
| swm | | | I/L | | | Samosa | | | | | |
| swn | | | I/L | | | Sawknah | | | | | |
| swo | | | I/L | | | Shanenawa | | | | | |
| swp | | | I/L | | | Suau | | | | суау | Suau |
| swq | | | I/L | | | Sharwa | | | | | |
| swr | | | I/L | | | Saweru | | | | | |
| sws | | | I/L | | | Seluwasan | | | | | |
| swt | | | I/L | | | Sawila | | | | | |
| swu | | | I/L | | | Suwawa | | | | | |
| swv | | | I/L | | | Shekhawati | | | | | |
| sww | | | I/E | | | Sowa | | | | | |
| swx | | | I/L | | | Suruahá | | | | | |
| swy | | | I/L | | | Sarua | | | | | |
| sxb | | | I/L | | | Suba | | | | | |
| sxc | | | I/A | | | Sicanian | | | | | |
| sxe | | | I/L | | | Sighu | | | | | |
| sxg | | | I/L | | | Shixing | | | 史兴语 | | |
| sxk | | | I/E | | | Kalapuya, Southern | | | | | |
| sxl | | | I/E | | | Selian | | | 瑟罗尼亚语 | | |
| sxm | | | I/L | | | Samre | | | | | |
| sxn | | | I/L | | | Sangir | | | | | |
| sxo | | | I/A | | | Sorothaptic | | | | | |
| sxr | | | I/L | | | Saaroa | | | 沙阿鲁阿语 | | Saaroa |
| sxs | | | I/L | | | Sasaru | | | | | |
| sxu | | | I/L | | Sächsisch | Saxon, Upper | | | 上撒克逊语 | | |
| sxw | | | I/L | | | Gbe, Saxwe | | | | | |
| sya | | | I/L | | | Siang | | | | | |
| syb | | | I/L | | | Subanen, Central | | | | | |
| syc | | syc | I/H | | | Syriac, Classical | | | 古典叙利亚语 | классический сирийский | |
| syi | | | I/L | | | Seki | | | | | |
| syk | | | I/L | | | Sukur | | | | | |
| syl | | | I/L | Indo-European | ꠍꠤꠟꠐꠤ | Sylheti | Sylheti | Sylheti | 塞海蒂语 | Силхетский | Sylhetisch |
| sym | | | I/L | | | Samo, Maya | | | | | |
| syn | | | I/L | | | Senaya | | | | | |
| syo | | | I/L | | | Suoy | | | | | |
| syr | | syr | M/L | | ܣܘܪܝܐܝܐ | Syriac | syriaque | | 古叙利亚语 | сирийский | Syrisch |
| sys | | | I/L | | | Sinyar | | | | | |
| syw | | | I/L | | | Kagate | | | | | |
| syx | | | I/L | Niger–Congo | | Samay | | | | | |
| syy | | | I/L | | | Al-Sayyid Bedouin Sign Language | | | | | |
| sza | | | I/L | | | Semelai | | | 舍弥来语 | | |
| szb | | | I/L | | | Ngalum | | | | | |
| szc | | | I/L | | | Semaq Beri | | | | | |
| (szd) | | | I/E | | | Seru | | | | | |
| sze | | | I/L | | | Seze | | | | | |
| szg | | | I/L | | | Sengele | | | | | |
| (szk) | | | I/L | | | Sizaki | | | | | |
| szl | | | I/L | | Ślůnsko godka | Silesian | | | 西里西亚语 | | Wasserpolnisch |
| szn | | | I/L | | | Sula | | | | | |
| szp | | | I/L | | | Suabo | | | | | |
| szs | | | I/L | | | Solomon Islands Sign Language | | | | | |
| szv | | | I/L | | | Isu (Fako Division) | | | | | |
| szw | | | I/L | | | Sawai | | | | | |
| szy | | | I/L | Austronesian | | Sakizaya | | | | | |