ISO 639:i

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 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| iai  |  |  | I/L |  |  | Iaai |  |  |  |  |  |
| ian  |  |  | I/L |  |  | Iatmul |  |  |  |  |  |
| (iap)  |  |  | I/L |  |  | Iapama |  |  |  |  |  |
| iar  |  |  | I/L |  |  | Purari |  |  |  |  |  |
| iba  |  | iba | I/L |  |  | Iban | iban |  | 伊班语 | ибанский |  |
| ibb  |  |  | I/L |  |  | Ibibio |  |  | 伊比比奥语 |  | Ibibio |
| ibd  |  |  | I/L |  |  | Iwaidja |  |  |  |  |  |
| ibe  |  |  | I/L |  |  | Akpes |  |  |  |  |  |
| ibg  |  |  | I/L |  |  | Ibanag |  |  | 伊巴纳格语 |  | Ibanag |
| ibh  |  |  | I/L | Austronesian |  | Bih |  |  |  |  |  |
| (ibi)  |  |  | I/L |  |  | Ibilo |  |  |  |  |  |
| ibl  |  |  | I/L |  |  | Ibaloi |  |  |  |  |  |
| ibm  |  |  | I/L |  |  | Agoi |  |  |  |  |  |
| ibn  |  |  | I/L |  |  | Ibino |  |  |  |  |  |
| ibo  | ig | ibo | I/L | Niger–Congo | Igbo | Igbo | igbo | igbo | 伊博语 | игбо | Igbo |
| ibr  |  |  | I/L |  |  | Ibuoro |  |  |  |  |  |
| ibu  |  |  | I/L |  |  | Ibu |  |  |  |  |  |
| iby  |  |  | I/L |  |  | Ibani |  |  |  |  |  |
| ica  |  |  | I/L |  |  | Ede Ica |  |  |  |  |  |
| ich  |  |  | I/L |  |  | Etkywan |  |  |  |  |  |
| icl  |  |  | I/L |  |  | Icelandic Sign Language |  |  | 冰岛手语 |  | Isländische Zeichensprache |
| icr  |  |  | I/L |  |  | Islander Creole English |  |  |  |  |  |
| ida  |  |  | I/L |  |  | Idakho-Isukha-Tiriki |  |  |  |  |  |
| idb  |  |  | I/L |  |  | Indo-Portuguese |  |  |  |  |  |
| idc  |  |  | I/L |  |  | Idon |  |  |  |  |  |
| idd  |  |  | I/L |  |  | Ede Idaca |  |  |  |  |  |
| ide  |  |  | I/L |  |  | Idere |  |  |  |  |  |
| idi  |  |  | I/L |  |  | Idi |  |  |  |  |  |
| ido  | io | ido | I/C | constructed | Ido | Ido | ido | ido | 伊多语 | идо | Ido |
| idr  |  |  | I/L |  |  | Indri |  |  |  |  |  |
| ids  |  |  | I/L |  |  | Idesa |  |  |  |  |  |
| idt  |  |  | I/L |  |  | Idaté |  |  |  |  |  |
| idu  |  |  | I/L |  |  | Idoma |  |  | 伊多马语 |  |  |
| ifa  |  |  | I/L |  |  | Ifugao, Amganad |  |  |  |  |  |
| ifb  |  |  | I/L |  |  | Ifugao, Batad |  |  |  |  |  |
| ife  |  |  | I/L |  |  | Ifè |  |  |  |  |  |
| iff  |  |  | I/E |  |  | Ifo |  |  |  |  |  |
| ifk  |  |  | I/L |  |  | Ifugao, Tuwali |  |  |  |  |  |
| ifm  |  |  | I/L |  |  | Teke-Fuumu |  |  |  |  |  |
| ifu  |  |  | I/L |  |  | Ifugao, Mayoyao |  |  |  |  |  |
| ify  |  |  | I/L |  |  | Kallahan, Keley-I |  |  |  |  |  |
| igb  |  |  | I/L |  |  | Ebira |  |  |  |  |  |
| ige  |  |  | I/L |  |  | Igede |  |  |  |  |  |
| igg  |  |  | I/L |  |  | Igana |  |  |  |  |  |
| igl  |  |  | I/L |  |  | Igala |  |  |  |  |  |
| igm  |  |  | I/L |  |  | Kanggape |  |  |  |  |  |
| ign  |  |  | I/L |  |  | Ignaciano |  |  |  |  |  |
| igo  |  |  | I/L |  |  | Isebe |  |  |  |  |  |
| igs  |  |  | I/C | constructed |  | Interglossa |  |  |  |  |  |
| igw  |  |  | I/L |  |  | Igwe |  |  |  |  |  |
| ihb  |  |  | I/L |  |  | Iha Based Pidgin |  |  |  |  |  |
| ihi  |  |  | I/L |  |  | Ihievbe |  |  |  |  |  |
| ihp  |  |  | I/L |  |  | Iha |  |  |  |  |  |
| ihw  |  |  | I/E |  |  | Bidhawal |  |  |  |  |  |
| iii  | ii | iii | I/L | Sino-Tibetan | ꆇꉙ | Yi, Sichuan | yi de Sichuan |  | 四川彝语 |  |  |
| iin  |  |  | I/E |  |  | Thiin |  |  |  |  |  |
| ijc  |  |  | I/L |  |  | Izon |  |  |  |  |  |
| ije  |  |  | I/L |  |  | Biseni |  |  |  |  |  |
| ijj  |  |  | I/L |  |  | Ede Ije |  |  |  |  |  |
| ijn  |  |  | I/L |  |  | Kalabari |  |  |  |  |  |
| ijs  |  |  | I/L |  |  | Ijo, Southeast |  |  |  |  |  |
| ike  |  |  | I/L | Eskimo–Aleut |  | Inuktitut (Eastern Canadian) |  |  |  |  |  |
| iki  |  |  | I/L |  |  | Iko |  |  |  |  |  |
| ikk  |  |  | I/L |  |  | Ika |  |  |  |  |  |
| ikl  |  |  | I/L |  |  | Ikulu |  |  |  |  |  |
| iko  |  |  | I/L |  |  | Olulumo-Ikom |  |  |  |  |  |
| ikp  |  |  | I/L |  |  | Ikpeshi |  |  |  |  |  |
| ikr  |  |  | I/E |  |  | Ikaranggal |  |  |  |  |  |
| iks  |  |  | I/L |  |  | Inuit Sign Language |  |  |  |  |  |
| ikt  |  |  | I/L | Eskimo–Aleut |  | Inuktitut (Western Canadian) |  |  |  |  |  |
| iku  | iu | iku | M/L | Eskimo–Aleut | ᐃᓄᒃᑎᑐᑦ | Inuktitut | inuktitut | inuktitut | 伊努伊特语; 伊努特语; 因纽特语 | инуктитут | Inuktitut |
| ikv  |  |  | I/L |  |  | Iku-Gora-Ankwa |  |  |  |  |  |
| ikw  |  |  | I/L |  |  | Ikwere |  |  |  |  |  |
| ikx  |  |  | I/L |  |  | Ik |  |  |  |  |  |
| ikz  |  |  | I/L |  |  | Ikizu |  |  |  |  |  |
| ila  |  |  | I/L |  |  | Ile Ape |  |  |  |  |  |
| ilb  |  |  | I/L |  |  | Ila |  |  |  |  |  |
| ile  | ie | ile | I/C | constructed | Interlingue | Interlingue | interlingue | interlingue | 西方国际语; 国际语E | интерлингве | Interlingue |
| ilg  |  |  | I/E |  |  | Garig-Ilgar |  |  |  |  |  |
| ili  |  |  | I/L |  |  | Ili Turki |  |  | 伊犁土尔克语 |  |  |
| ilk  |  |  | I/L |  |  | Ilongot |  |  |  |  |  |
| (ill)  |  |  | I/L |  |  | Iranun |  |  |  |  |  |
| ilm  |  |  | I/L |  |  | Iranun (Malaysia) |  |  |  |  |  |
| ilo  |  | ilo | I/L |  | ilokano | Iloko | ilocano |  | 伊洛卡诺语 | илоко | Ilokano |
| ilp  |  |  | I/L |  |  | Iranun (Philippines) |  |  |  |  |  |
| ils  |  |  | I/L |  |  | International Sign |  |  | 国际手语 |  |  |
| ilu  |  |  | I/L |  |  | Ili'uun |  |  |  |  | Ili'uun |
| ilv  |  |  | I/L |  |  | Ilue |  |  |  |  |  |
| (ilw)  |  |  | I/L |  |  | Talur |  |  |  |  | Talur |
| ima  |  |  | I/L |  |  | Mala Malasar |  |  |  |  |  |
| (ime)  |  |  | I/L |  |  | Imeraguen |  |  |  |  |  |
| imi  |  |  | I/L |  |  | Anamgura |  |  |  |  |  |
| iml  |  |  | I/E |  |  | Miluk |  |  |  |  |  |
| imn  |  |  | I/L |  |  | Imonda |  |  |  |  |  |
| imo  |  |  | I/L |  |  | Imbongu |  |  |  |  |  |
| imr  |  |  | I/L |  |  | Imroing |  |  |  |  | Imroing |
| ims  |  |  | I/A |  |  | Marsian |  |  | 马尔西语 |  |  |
| imy  |  |  | I/A |  |  | Milyan |  |  |  |  |  |
| ina  | ia | ina | I/C | constructed | interlingua | Interlingua | interlingua | interlingua | 国际语; 国际语A | интерлингва | Interlingua |
| inb  |  |  | I/L |  |  | Inga |  |  |  |  |  |
| ind  | id | ind | I/L | Austronesian | bahasa Indonesia | Indonesian | indonésien | indonesio | 印尼语 | индонезийский | Indonesisch |
| ing  |  |  | I/L |  |  | Degexit'an |  |  |  |  |  |
| inh  |  | inh | I/L |  | гӀалгӀай | Ingush | ingouche | inguso | 印古什语 | ингушский | Inguschisch |
| inj  |  |  | I/L |  |  | Inga, Jungle |  |  |  |  |  |
| inl  |  |  | I/L |  |  | Indonesian Sign Language |  |  | 印度尼西亚手语 |  | Indonesische Zeichensprache |
| inm  |  |  | I/A |  |  | Minaean |  |  | 密尼安语 |  |  |
| inn  |  |  | I/L |  |  | Isinai |  |  |  |  |  |
| ino  |  |  | I/L |  |  | Inoke-Yate |  |  |  |  |  |
| inp  |  |  | I/L |  |  | Iñapari |  |  |  |  |  |
| ins  |  |  | I/L |  |  | Indian Sign Language |  |  | 印度手语 |  | Indische Zeichensprache |
| int  |  |  | I/L |  |  | Intha |  |  |  |  |  |
| inz  |  |  | I/E |  |  | Ineseño |  |  |  |  |  |
| ior  |  |  | I/L |  |  | Inor |  |  |  |  |  |
| iou  |  |  | I/L |  |  | Tuma-Irumu |  |  |  |  |  |
| iow  |  |  | I/E |  |  | Iowa-Oto |  | iowa-oto |  |  |  |
| ipi  |  |  | I/L |  |  | Ipili |  |  |  |  |  |
| ipk  | ik | ipk | M/L | Eskimo–Aleut | Iñupiaq | Inupiaq | inupiaq | inupiaq | 依努庇克语 | инупиак | Inupiaq |
| ipo  |  |  | I/L |  |  | Ipiko |  |  |  |  |  |
| iqu  |  |  | I/L |  |  | Iquito |  | iquito |  |  |  |
| iqw  |  |  | I/L |  |  | Ikwo |  |  |  |  |  |
| ire  |  |  | I/L |  |  | Iresim |  |  |  |  |  |
| irh  |  |  | I/L |  |  | Irarutu |  |  |  |  | Irarutu |
| iri  |  |  | I/L |  |  | Irigwe |  |  |  |  |  |
| irk  |  |  | I/L |  |  | Iraqw |  |  |  |  |  |
| irn  |  |  | I/L |  |  | Irántxe |  |  |  |  |  |
| irr  |  |  | I/L |  |  | Ir |  |  |  |  |  |
| iru  |  |  | I/L |  |  | Irula |  |  | 伊卢拉语 |  |  |
| irx  |  |  | I/L |  |  | Kamberau |  |  |  |  |  |
| iry  |  |  | I/L |  |  | Iraya |  |  |  |  |  |
| isa  |  |  | I/L |  |  | Isabi |  |  |  |  |  |
| isc  |  |  | I/L |  |  | Isconahua |  | isconahua |  |  |  |
| isd  |  |  | I/L |  |  | Isnag |  |  |  |  |  |
| ise  |  |  | I/L |  |  | Italian Sign Language |  |  | 意大利手语 |  | Italienische Zeichensprache |
| isg  |  |  | I/L |  |  | Irish Sign Language |  |  | 爱尔兰手语 |  |  |
| ish  |  |  | I/L |  |  | Esan |  |  |  |  |  |
| isi  |  |  | I/L |  |  | Nkem-Nkum |  |  |  |  |  |
| isk  |  |  | I/L |  |  | Ishkashimi |  |  |  |  |  |
| isl  | is | ice | I/L | Indo-European | íslenska | Icelandic | islandais | islandés | 冰岛语 | исландский | Isländisch |
| ism  |  |  | I/L |  |  | Masimasi |  |  |  |  |  |
| isn  |  |  | I/L |  |  | Isanzu |  |  |  |  |  |
| iso  |  |  | I/L |  |  | Isoko |  |  |  |  |  |
| isr  |  |  | I/L |  |  | Israeli Sign Language |  |  | 以色列手语 |  |  |
| ist  |  |  | I/L |  |  | Istriot |  |  | 伊斯特拉语 |  | Istriotisch |
| isu  |  |  | I/L |  |  | Isu (Menchum Division) |  |  |  |  |  |
| ita  | it | ita | I/L | Indo-European | italiano | Italian | italien | italiano | 意大利语; 义大利语 | итальянский | Italienisch |
| itb  |  |  | I/L |  |  | Itneg, Binongan |  |  |  |  |  |
| itd  |  |  | I/L | Austronesian |  | Southern Tidung |  |  |  |  |  |
| ite  |  |  | I/E |  |  | Itene |  | itene |  |  |  |
| iti  |  |  | I/L |  |  | Itneg, Inlaod |  |  |  |  |  |
| itk  |  |  | I/L |  |  | Judeo-Italian |  | judeo-italiano | 犹太-意大利语 |  |  |
| itl  |  |  | I/L |  | Итэнмэн | Itelmen |  |  | 伊杰耳缅语 | ительменский |  |
| itm  |  |  | I/L |  |  | Itu Mbon Uzo |  |  |  |  |  |
| ito  |  |  | I/L |  |  | Itonama |  |  |  |  |  |
| itr  |  |  | I/L |  |  | Iteri |  |  |  |  |  |
| its  |  |  | I/L |  |  | Isekiri |  |  |  |  |  |
| itt  |  |  | I/L |  |  | Itneg, Maeng |  |  |  |  |  |
| (itu)  |  |  |  |  |  | Itutang |  |  |  |  |  |
| itv  |  |  | I/L |  |  | Itawit |  |  |  |  |  |
| itw  |  |  | I/L |  |  | Ito |  |  |  |  |  |
| itx  |  |  | I/L |  |  | Itik |  |  |  |  |  |
| ity  |  |  | I/L |  |  | Itneg, Moyadan |  |  |  |  |  |
| itz  |  |  | I/L |  |  | Itzá |  |  |  |  |  |
| ium  |  |  | I/L |  |  | Iu Mien |  |  | 高地瑶话 |  |  |
| ivb  |  |  | I/L |  |  | Ibatan |  |  | 伊巴雅语 |  |  |
| ivv  |  |  | I/L |  |  | Ivatan |  |  | 伊巴丹语 |  | Ivatan |
| iwk  |  |  | I/L |  |  | I-Wak |  |  |  |  |  |
| iwm  |  |  | I/L |  |  | Iwam |  |  |  |  |  |
| iwo  |  |  | I/L |  |  | Iwur |  |  |  |  |  |
| iws  |  |  | I/L |  |  | Iwam, Sepik |  |  |  |  |  |
| ixc  |  |  | I/L |  |  | Ixcatec |  | ixcateco |  |  |  |
| (ixi)  |  |  | I/L |  |  | Ixil, Nebaj |  |  |  |  |  |
| (ixj)  |  |  | I/L |  |  | Ixil, Chajul |  |  |  |  |  |
| ixl  |  |  | I/L |  |  | Ixil, San Juan Cotzal |  |  |  |  |  |
| iya  |  |  | I/L |  |  | Iyayu |  |  |  |  |  |
| iyo  |  |  | I/L |  |  | Mesaka |  |  |  |  |  |
| iyx  |  |  | I/L |  |  | Yaka (Congo) |  |  |  | яка |  |
| izh  |  |  | I/L |  | ižoran keeli | Ingrian | ingrien | ižoriano | 英格里亚语 | ижорский | Ingrisch |
| (izi)  |  |  | I/L |  |  | Izi-Ezaa-Ikwo-Mgbo |  |  |  |  |  |
| izr  |  |  | I/L |  |  | Izere |  |  |  |  |  |
| izz  |  |  | I/L |  |  | Izii |  |  |  |  |  |