| Name | Other Name | Family | Nativ Name | ISO6391 Code | ISO6392T Code | ISO6392B Code | ISO6393 Code | Notes |
|---|---|---|---|---|---|---|---|---|
| Central Khmer | Austroasiatic | ខ្មែរ; ខេមរភាសា; ភាសាខ្មែរ | km | khm | khm | khm | also known as Khmer or Cambodian | |
| Telugu | Dravidian | తెలుగు | te | tel | tel | tel | ||
| Tamil | Dravidian | தமிழ் | ta | tam | tam | tam | ||
| Swedish | Indo-European | Svenska | sv | swe | swe | swe | ||
| Swati | Niger–Congo | SiSwati | ss | ssw | ssw | ssw | also known as Swazi | |
| Swahili | Niger–Congo | Kiswahili | sw | swa | swa | swa + 2 | macrolanguage | |
| Sundanese | Austronesian | Basa Sunda | su | sun | sun | sun | ||
| Southern Sotho | Niger–Congo | Sesotho | st | sot | sot | sot | ||
| Somali | Afro-Asiatic | Soomaaliga; af Soomaali | so | som | som | som | ||
| Slovenian | Indo-European | Slovenski Jezik; Slovenščina | sl | slv | slv | slv | also known as Slovene |