ISO 639:u

ISO 639 3字母代碼表：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
下表為 ISO 639-2, ISO 639-3, ISO 639-5 的一份或多份標準中，所採用的3字母（又稱alpha-3）語言代碼。
備註
SIL: “Ethnologue”第14版代碼；已被 ISO 639-3 (“Ethnologue”第15版）取代
(b): 只用在 ISO 639-2/B，不收錄在 ISO 639-3
(c): ISO 639-2 集合語言，未必屬同一語族，不收錄在 ISO 639-3 和 ISO 639-5
(d): deprecated, 已棄用代碼
(f): ISO 639-5 語系和語群代碼
(g): group of languages, ISO 639-2 諸語言，同時收錄在 ISO 639-5；不收錄在 ISO 639-3。
(m): 該語言同時被劃分為多種小語言
(r): others 或 rest of languages, ISO 639-2 「其他」類語言，在使用 ISO 639-2 時，供沒有 ISO 639-2 的語言使用，同時收錄在 ISO 639-5；不收錄在 ISO 639-3。
(rc): 曾出現在 ISO 639-3 ，但現被改為其他代碼
(rd): remove duplicates, 與其他代碼重複而被棄用
(rm): remove merged, 已與其他代碼合併
(rn): remove nonexistent, 此代碼所代表的語言不存在，已被取消
(rs): remove split, 此語言被拆分為多種語言，另行編碼
表中使用的縮寫如下：
Scope：I = 獨立語種；M = 巨集語言, S = 特殊編碼
Type：A = 古代語言（ancient，通常指該語言已於古代滅絕）、C = 人工語言（Constructed language）、E = 已滅絕（extinct，指近代才滅絕的語言）, H = 歷史語言（英语：）（該語言已演化為其他現代語言）、L = 現代語言（英语：）（Living）、S = 特殊編碼
已不再使用的代碼被標記於(括號)中。
「分類」一欄包含該語言的語言分類或巨集語言之通用英文名稱。
| 639-3 | 639-1 | 639-2B | Scope/Type | 分類 | 原名 | 英語 | 法語 | 西語 | 漢語 | 俄語 | 德語 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| uam  |  |  | I/E |  |  | Uamué |  |  |  |  |  |
| uan  |  |  | I/L |  |  | Kuan |  |  |  |  |  |
| uar  |  |  | I/L |  |  | Tairuma |  |  |  |  |  |
| uba  |  |  | I/L |  |  | Ubang |  |  |  |  |  |
| ubi  |  |  | I/L |  |  | Ubi |  |  |  |  |  |
| ubl  |  |  | I/L |  |  | Buhi'non Bikol |  |  |  |  |  |
| (ubm)  |  |  |  |  |  | Upper Baram Kenyah |  |  |  |  |  |
| ubr  |  |  | I/L |  |  | Ubir |  |  |  |  | Ubir |
| ubu  |  |  | I/L |  |  | Umbu-Ungu |  |  |  |  |  |
| uby  |  |  | I/E |  | atʷaχəbza | Ubykh | oubykh | ubijé | 尤比克语 | убыхский |  |
| uda  |  |  | I/L |  |  | Uda |  |  |  |  |  |
| ude  |  |  | I/L |  |  | Udihe |  |  | 乌德语 |  |  |
| udg  |  |  | I/L |  |  | Muduga |  |  |  |  |  |
| udi  |  |  | I/L |  | удин | Udi | oudi | udi |  |  |  |
| udj  |  |  | I/L |  |  | Ujir |  |  |  |  | Ujir |
| udl  |  |  | I/L |  |  | Wuzlam |  |  |  |  |  |
| udm  |  | udm | I/L |  | удмурт | Udmurt | oudmourte | udmurto | 乌德穆尔特语 | удмуртский | Udmurtisch |
| udu  |  |  | I/L |  |  | Uduk |  |  |  |  |  |
| ues  |  |  | I/L |  |  | Kioko |  |  |  |  |  |
| ufi  |  |  | I/L |  |  | Ufim |  |  |  |  |  |
| uga  |  | uga | I/A |  |  | Ugaritic | ougaritique | ugarítico | 乌加里特语 | угаритский | Ugaritisch |
| ugb  |  |  | I/E |  |  | Kuku-Ugbanh |  |  |  |  |  |
| uge  |  |  | I/L |  |  | Ughele |  |  |  |  |  |
| ugn  |  |  | I/L |  |  | Ugandan Sign Language |  |  | 乌干达手语 |  | Ugandische Zeichensprache |
| ugo  |  |  | I/L |  |  | Ugong |  |  |  |  |  |
| ugy  |  |  | I/L |  |  | Uruguayan Sign Language |  |  | 乌拉圭手语 |  |  |
| uha  |  |  | I/L |  |  | Uhami |  |  |  |  |  |
| uhn  |  |  | I/L |  |  | Damal |  |  |  |  |  |
| uig  | ug | uig | I/L | Turkic | ئۇيغۇرچە | Uighur | ouïgour | uigur | 维吾尔语 | уйгурский | Uigurisch |
| uis  |  |  | I/L |  |  | Uisai |  |  |  |  |  |
| uiv  |  |  | I/L |  |  | Iyive |  |  |  |  |  |
| uji  |  |  | I/L |  |  | Tanjijili |  |  |  |  |  |
| uka  |  |  | I/L |  |  | Kaburi |  |  |  |  |  |
| ukg  |  |  | I/L |  |  | Ukuriguma |  |  |  |  |  |
| ukh  |  |  | I/L |  |  | Ukhwejo |  |  |  |  |  |
| ukk  |  |  | I/L | Austroasiatic |  | Muak Sa-aak |  |  |  |  |  |
| ukl  |  |  | I/L |  |  | Ukrainian Sign Language |  |  | 乌克兰手语 |  | Ukrainische Zeichensprache |
| ukp  |  |  | I/L |  |  | Ukpe-Bayobiri |  |  |  |  |  |
| ukq  |  |  | I/L |  |  | Ukwa |  |  |  |  |  |
| ukr  | uk | ukr | I/L | Indo-European | українська | Ukrainian | ukrainien | ucrani(an)o | 乌克兰语 | украинский | Ukrainisch |
| uks  |  |  | I/L |  |  | Urubú-Kaapor Sign Language |  |  |  |  |  |
| uku  |  |  | I/L |  |  | Ukue |  |  |  |  |  |
| ukw  |  |  | I/L |  |  | Ukwuani-Aboh-Ndoni |  |  |  |  |  |
| uky  |  |  | I/E |  |  | Kuuk-Yak |  |  |  |  |  |
| ula  |  |  | I/L |  |  | Fungwa |  |  |  |  |  |
| ulb  |  |  | I/L |  |  | Ulukwumi |  |  |  |  |  |
| ulc  |  |  | I/L |  |  | Ulch |  |  | 乌利奇语 | ульчский |  |
| ule  |  |  | I/E |  |  | Lule |  |  |  |  |  |
| ulf  |  |  | I/L |  |  | Usku |  |  |  |  |  |
| uli  |  |  | I/L |  |  | Ulithian | ulithian |  |  |  |  |
| ulk  |  |  | I/L |  |  | Meriam |  |  |  |  |  |
| ull  |  |  | I/L |  |  | Ullatan |  |  |  |  |  |
| ulm  |  |  | I/L |  |  | Ulumanda' |  |  |  |  |  |
| uln  |  |  | I/L |  |  | Unserdeutsch | unserdeutsch |  |  |  | Unserdeutsch |
| ulu  |  |  | I/L |  |  | Uma' Lung |  |  |  |  |  |
| ulw  |  |  | I/L |  |  | Ulwa |  |  |  |  |  |
| uma  |  |  | I/L |  |  | Umatilla |  |  |  |  |  |
| umb  |  | umb | I/L |  |  | Umbundu | umbundu |  | 翁本杜语 | умбунду |  |
| umc  |  |  | I/A |  |  | Marrucinian |  |  | 马鲁西尼语 |  |  |
| umd  |  |  | I/E |  |  | Umbindhamu |  |  |  |  |  |
| umg  |  |  | I/E |  |  | Umbuygamu |  |  |  |  |  |
| umi  |  |  | I/L |  |  | Ukit |  |  |  |  |  |
| umm  |  |  | I/L |  |  | Umon |  |  |  |  |  |
| umn  |  |  | I/L |  |  | Makyan Naga |  |  |  |  |  |
| umo  |  |  | I/E |  |  | Umotína |  |  |  |  |  |
| ump  |  |  | I/L |  |  | Umpila |  |  |  |  |  |
| umr  |  |  | I/E |  |  | Umbugarla |  |  |  |  |  |
| ums  |  |  | I/L |  |  | Pendau |  |  |  |  |  |
| umu  |  |  | I/L |  |  | Munsee |  |  |  |  |  |
| una  |  |  | I/L |  |  | Watut, North |  |  |  |  |  |
| und  |  | und | S/S |  |  | Undetermined | indéterminée | indeterminada |  | неидентифицированный |  |
| une  |  |  | I/L |  |  | Uneme |  |  |  |  |  |
| ung  |  |  | I/L |  |  | Ngarinyin |  |  |  |  |  |
| unk  |  |  | I/L |  |  | Enawené-Nawé |  |  |  |  |  |
| unm  |  |  | I/E |  |  | Unami |  |  |  |  |  |
| unn  |  |  | I/L |  |  | Kurnai |  |  |  |  |  |
| (unp)  |  |  | I/L |  |  | Worora |  |  |  |  |  |
| unr  |  |  | I/L |  |  | Mundari |  |  | 蒙达里语 |  |  |
| unu  |  |  | I/L |  |  | Unubahe |  |  |  |  |  |
| unx  |  |  | I/L |  |  | Munda |  |  | 蒙达语 |  |  |
| unz  |  |  | I/L |  |  | Kaili, Unde |  |  |  |  |  |
| (uok)  |  |  | I/L |  |  | Uokha |  |  |  |  |  |
| upi  |  |  | I/L |  |  | Umeda |  |  |  |  |  |
| upv  |  |  | I/L |  |  | Uripiv-Wala-Rano-Atchin |  |  |  |  |  |
| ura  |  |  | I/L |  |  | Urarina |  |  |  |  |  |
| urb  |  |  | I/L |  |  | Urubú-Kaapor |  | urubú-kaapor |  |  |  |
| urc  |  |  | I/E |  |  | Urningangg |  |  |  |  |  |
| urd  | ur | urd | I/L | Indo-European | اردو | Urdu | ourdou | Urdu | 乌尔都语; 乌都语; 晤鲁都语 | урду | Urdu |
| ure  |  |  | I/L |  |  | Uru |  |  |  |  |  |
| urf  |  |  | I/E |  |  | Uradhi |  |  |  |  |  |
| urg  |  |  | I/L |  |  | Urigina |  |  |  |  |  |
| urh  |  |  | I/L |  |  | Urhobo |  |  |  |  |  |
| uri  |  |  | I/L |  |  | Urim |  |  |  |  |  |
| urk  |  |  | I/L |  |  | Urak Lawoi' |  |  |  |  |  |
| url  |  |  | I/L |  |  | Urali |  |  |  |  |  |
| urm  |  |  | I/L |  |  | Urapmin |  |  |  |  |  |
| urn  |  |  | I/L |  |  | Uruangnirin |  |  |  |  |  |
| uro  |  |  | I/L |  |  | Ura (Papua New Guinea) |  |  |  |  |  |
| urp  |  |  | I/L |  |  | Uru-Pa-In |  |  |  |  |  |
| urr  |  |  | I/L |  |  | Lehalurup |  |  |  |  |  |
| urt  |  |  | I/L |  |  | Urat |  |  |  |  |  |
| uru  |  |  | I/E |  |  | Urumi |  |  |  |  |  |
| urv  |  |  | I/E |  |  | Uruava |  |  |  |  |  |
| urw  |  |  | I/L |  |  | Sop |  |  |  |  |  |
| urx  |  |  | I/L |  |  | Urimo |  |  |  |  |  |
| ury  |  |  | I/L |  |  | Orya |  |  |  |  |  |
| urz  |  |  | I/L |  |  | Uru-Eu-Wau-Wau |  | uru-eu-wau-wau |  |  |  |
| usa  |  |  | I/L |  |  | Usarufa |  |  |  |  |  |
| ush  |  |  | I/L |  |  | Ushojo |  |  |  |  |  |
| usi  |  |  | I/L |  |  | Usui |  |  |  |  |  |
| usk  |  |  | I/L |  |  | Usaghade |  |  |  |  |  |
| usp  |  |  | I/L |  |  | Uspanteco |  |  |  |  |  |
| uss  |  |  | I/L | Niger–Congo |  | us-Saare |  |  |  |  |  |
| usu  |  |  | I/L |  |  | Uya |  |  |  |  |  |
| uta  |  |  | I/L |  |  | Otank |  |  |  |  |  |
| ute  |  |  | I/L |  |  | Ute-Southern Paiute | ute |  |  |  |  |
| uth  |  |  | I/L | Niger–Congo |  | ut-Hun |  |  |  |  |  |
| utp  |  |  | I/L |  |  | Amba (Solomon Islands) |  |  |  |  |  |
| utr  |  |  | I/L |  |  | Etulo |  |  |  |  |  |
| utu  |  |  | I/L |  |  | Utu |  |  |  |  |  |
| uum  |  |  | I/L |  | Урум | Urum |  |  | 乌鲁姆语 |  |  |
| uun  |  |  | I/L |  |  | Kulon-Pazeh |  |  | 龟仑语; 巴宰语 | кулон-пазе | Kulon-Pazeh |
| uur  |  |  | I/L |  |  | Ura (Vanuatu) |  |  |  |  |  |
| uuu  |  |  | I/L |  |  | U |  |  | 乌语 |  |  |
| uve  |  |  | I/L |  |  | Uvean, West |  |  |  |  |  |
| uvh  |  |  | I/L |  |  | Uri |  |  |  |  |  |
| uvl  |  |  | I/L |  |  | Lote |  |  |  |  |  |
| uwa  |  |  | I/L |  |  | Kuku-Uwanh |  |  |  |  |  |
| uya  |  |  | I/L |  |  | Doko-Uyanga |  |  |  |  |  |
| uzb  | uz | uzb | M/L | Turkic | Ўзбек | Uzbek | ou(s)zbek | uzbeco | 乌兹别克语; 乌孜别克语 | узбекский | Usbekisch |
| uzn  |  |  | I/L |  |  | Uzbek, Northern |  |  | 北乌兹别克语 |  |  |
| uzs  |  |  | I/L |  |  | Uzbek, Southern |  |  | 南乌兹别克语 |  |  |