| Name | Other Name | Family | Nativ Name | ISO6391 Code | ISO6392T Code | ISO6392B Code | ISO6393 Code | Notes |
|---|---|---|---|---|---|---|---|---|
| Tonga (Tonga Islands) | Austronesian | Faka Tonga | to | ton | ton | ton | ||
| Tswana | Niger–Congo | Setswana | tn | tsn | tsn | tsn | ||
| Turkmen | Turkic | Türkmen; Түркмен | tk | tuk | tuk | tuk | ||
| Kazakh | Turkic | қазақ тілі | kk | kaz | kaz | kaz | ||
| Malayalam | Dravidian | മലയാളം | ml | mal | mal | mal | ||
| Macedonian | Indo-European | македонски јазик | mk | mkd | mac | mkd | ||
| Manx | Indo-European | Gaelg; Gailck | gv | glv | glv | glv | ||
| Lithuanian | Indo-European | lietuvių kalba | lt | lit | lit | lit | ||
| Lao | Tai–Kadai | ພາສາລາວ | lo | lao | lao | lao | ||
| Lingala | Niger–Congo | Lingála | ln | lin | lin | lin |