أيزو 639:l

| lnd  |  |  | I/L |  |  | Lundayeh |  |  |  |  |  |
| lng  |  |  | I/A |  |  | Langobardic |  |  | 伦巴底日耳曼语 |  |  |
| lnh  |  |  | I/L |  |  | Lanoh |  |  |  |  |  |
| lni  |  |  | I/L |  |  | Lantanai |  |  |  |  |  |
| lnj  |  |  | I/E |  |  | Leningitij |  |  |  |  |  |
| lnl  |  |  | I/L |  |  | Banda, South Central |  |  |  |  |  |
| lnm  |  |  | I/L |  |  | Langam |  |  |  |  |  |
| lnn  |  |  | I/L |  |  | Lorediakarkar |  |  |  |  |  |
| lno  |  |  | I/L |  |  | Lango (Sudan) |  |  |  |  |  |
| lns  |  |  | I/L |  |  | Lamnso' |  |  |  |  |  |
| (lnt)  |  |  |  |  |  | Lintang |  |  |  |  |  |
| lnu  |  |  | I/L |  |  | Longuda |  |  |  |  |  |
| lnw  |  |  | I/E |  |  | Lanima |  |  |  |  |  |
| lnz  |  |  | I/L |  |  | Lonzo |  |  |  |  |  |
| loa  |  |  | I/L |  |  | Loloda |  |  |  |  |  |
| lob  |  |  | I/L |  |  | Lobi |  |  |  |  |  |
| loc  |  |  | I/L |  |  | Inonhan |  |  |  |  |  |
| (lod)  |  |  |  |  |  | Berawan |  |  |  |  |  |
| loe  |  |  | I/L |  |  | Saluan, Coastal |  |  |  |  |  |
| lof  |  |  | I/L |  |  | Logol |  |  |  |  |  |
| log  |  |  | I/L |  |  | Logo |  |  |  |  |  |
| loh  |  |  | I/L |  |  | Narim |  |  |  |  |  |
| loi  |  |  | I/L |  |  | Loma (Côte d'Ivoire) |  |  |  |  |  |
| loj  |  |  | I/L |  |  | Lou |  |  |  |  | Lou |
| lok  |  |  | I/L |  |  | Loko |  |  |  |  |  |
| lol  |  | lol | I/L |  |  | Mongo | mongo |  | 芒戈语; 蒙戈语 | монго |  |
| lom  |  |  | I/L |  | Lö(g)ömàgòòi | Loma (Liberia) |  |  |  |  |  |
| lon  |  |  | I/L |  |  | Lomwe, Malawi |  |  |  |  |  |
| loo  |  |  | I/L |  |  | Lombo |  |  |  |  |  |
| lop  |  |  | I/L |  |  | Lopa |  |  |  |  |  |
| loq  |  |  | I/L |  |  | Lobala |  |  |  |  |  |
| lor  |  |  | I/L |  |  | Téén |  |  |  |  |  |
| los  |  |  | I/L |  |  | Loniu |  |  |  |  |  |
| lot  |  |  | I/L |  |  | Otuho |  |  |  |  |  |
| lou  |  |  | I/L |  |  | Louisiana Creole French |  |  | 路易斯安那克里奥尔法语 |  |  |
| lov  |  |  | I/L |  |  | Lopi |  |  |  |  |  |
| low  |  |  | I/L |  |  | Lobu, Tampias |  |  |  |  |  |
| lox  |  |  | I/L |  |  | Loun |  |  |  |  |  |
| loy  |  |  | I/L |  |  | Lowa |  |  |  |  |  |
| loz  |  | loz | I/L |  | siLozi | Lozi | lozi | lozi | 洛齐语 | лози | Lozi |
| lpa  |  |  | I/L |  |  | Lelepa |  |  |  |  |  |
| lpe  |  |  | I/L |  |  | Lepki |  |  |  |  |  |
| lpn  |  |  | I/L |  |  | Long Phuri Naga |  |  |  |  |  |
| lpo  |  |  | I/L |  |  | Lipo |  |  | 傈颇语 |  |  |
| lpx  |  |  | I/L |  |  | Lopit |  |  |  |  |  |
| lra  |  |  | I/L |  |  | Lara' |  |  |  |  |  |
| lrc  |  |  | I/L |  |  | Luri, Northern |  |  | 北卢尔语 |  |  |
| lre  |  |  | I/E |  |  | Laurentian | laurentiennes | laurentiano |  |  |  |
| lrg  |  |  | I/E |  |  | Laragia |  |  |  |  |  |
| lri  |  |  | I/L |  |  | Marachi |  |  |  |  |  |
| lrk  |  |  | I/L |  |  | Loarki |  |  |  |  |  |
| lrl  |  |  | I/L |  |  | Lari |  |  |  |  |  |
| lrm  |  |  | I/L |  |  | Marama |  |  |  |  |  |
| lrn  |  |  | I/L |  |  | Lorang |  |  |  |  |  |
| lro  |  |  | I/L |  |  | Laro |  |  |  |  |  |
| lrr  |  |  | I/L |  |  | Lorung, Southern |  |  |  |  |  |
| lrt  |  |  | I/L |  |  | Larantuka Malay |  |  |  |  |  |
| lrv  |  |  | I/L |  |  | Larevat |  |  |  |  |  |
| lrz  |  |  | I/L |  |  | Lemerig |  |  |  |  |  |
| lsa  |  |  | I/L |  |  | Lasgerdi |  |  |  |  |  |
| lsd  |  |  | I/L |  |  | Lishana Deni |  |  |  |  |  |
| lse  |  |  | I/L |  |  | Lusengo |  |  |  |  |  |
| lsg  |  |  | I/L |  |  | Lyons Sign Language |  |  | 里昂手语 |  |  |
| lsh  |  |  | I/L |  |  | Lish |  |  |  |  |  |
| lsi  |  |  | I/L |  |  | Lashi |  |  | 勒期语 |  |  |
| lsl  |  |  | I/L |  |  | Latvian Sign Language |  |  | 拉脱维亚手语 |  |  |
| lsm  |  |  | I/L |  |  | Saamia |  |  |  |  |  |
| lso  |  |  | I/L |  |  | Laos Sign Language |  |  | 老挝手语 |  |  |
| lsp  |  |  | I/L |  |  | Panamanian Sign Language |  |  | 巴拿马手语 |  |  |
| lsr  |  |  | I/L |  |  | Aruop |  |  |  |  |  |
| lss  |  |  | I/L |  |  | Lasi |  |  |  |  |  |
| lst  |  |  | I/L |  |  | Trinidad and Tobago Sign Language |  |  | 特立尼达和多巴哥手语 |  |  |
| lsy  |  |  | I/L |  |  | Mauritian Sign Language |  |  |  |  |  |
| ltc  |  |  | I/H | Chinese |  | Late Middle Chinese |  |  | 中古漢語 |  |  |
| ltg  |  |  | I/L |  |  | Latgalian |  |  |  |  |  |
| lti  |  |  | I/L |  |  | Leti (Indonesia) |  |  |  |  |  |
| ltn  |  |  | I/L |  |  | Latundê |  |  |  |  |  |
| lto  |  |  | I/L |  |  | Tsotso |  |  |  |  |  |
| lts  |  |  | I/L |  |  | Tachoni |  |  |  |  |  |
| ltu  |  |  | I/L |  |  | Latu |  |  |  |  |  |
| ltz  | lb | ltz | I/L |  | Lëtzebuergesch | Luxembourgish; Letzeburgesch | luxembourgeois | luxemburgués | 卢森堡语 | люксембургский | Luxemburgisch |
| lua  |  | lua | I/L |  | lwaà: | Luba-Lulua | luba-lulua |  | 卢巴-卢拉语; 奇卢伯语 |  |  |
| lub  | lu | lub | I/L |  |  | Luba-Katanga | luba-katanga |  | 卢巴-加丹加语; 卢巴卡丹加语 | луба-катанга |  |
| luc  |  |  | I/L |  |  | Aringa |  |  |  |  |  |
| lud  |  |  | I/L |  | lüüdi | Ludian | ludien |  |  |  |  |
| lue  |  |  | I/L |  |  | Luvale |  |  | 卢瓦勒语 |  |  |
| luf  |  |  | I/L |  |  | Laua |  |  |  |  |  |
| lug  | lg | lug | I/L |  | Luganda | Luganda | ganda | luganda | 干达语; 卢干达语 | ганда | Luganda |
| lui  |  | lui | I/L |  |  | Luiseno | luiseno | luiseño | 卢伊塞诺语 | луисеньо |  |
| luj  |  |  | I/L |  |  | Luna |  |  |  |  |  |
| luk  |  |  | I/L |  |  | Lunanakha |  |  |  |  |  |
| lul  |  |  | I/L |  |  | Olu'bo |  |  |  |  |  |
| lum  |  |  | I/L |  |  | Luimbi |  |  |  |  |  |
| lun  |  | lun | I/L |  | chiLunda | Lunda | lunda |  | 隆达语 | лунда |  |
| luo  |  | luo | I/L |  | Dholuo | Luo (Kenya and Tanzania) | luo |  | 卢奥语 | луо |  |
| lup  |  |  | I/L |  |  | Lumbu |  |  |  |  |  |
| luq  |  |  | I/L |  | Lucumí | Lucumi |  |  |  |  |  |
| lur  |  |  | I/L |  |  | Laura |  |  |  |  |  |
| lus  |  | lus | I/L |  |  | Lushai | lushai | lusai | 卢萨语 |  |  |
| lut  |  |  | I/L |  | Dəxʷləšucid | Lushootseed |  |  |  |  |  |
| luu  |  |  | I/L |  |  | Lumba-Yakkha |  |  |  |  |  |
| luv  |  |  | I/L |  |  | Luwati |  |  |  |  |  |
| luw  |  |  | I/L |  |  | Luo |  |  |  |  |  |
| luy  |  |  | M/L |  |  | Luyia |  |  | 卢希亚语 |  |  |
| luz  |  |  | I/L |  |  | Luri, Southern |  |  | 南卢尔语 |  |  |
| lva  |  |  | I/L |  |  | Maku'a |  |  |  |  |  |
| lvk  |  |  | I/L |  |  | Lavukaleve |  |  |  |  |  |
| lvs  |  |  | I/L |  |  | Standard Latvian |  |  |  |  |  |
| lvu  |  |  | I/L |  |  | Levuka |  |  |  |  |  |
| lwa  |  |  | I/L |  |  | Lwalu |  |  |  |  |  |
| lwe  |  |  | I/L |  |  | Lewo Eleng |  |  |  |  |  |
| lwg  |  |  | I/L |  |  | Wanga |  |  |  |  |  |
| lwh  |  |  | I/L |  |  | Lachi, White |  |  | 白拉基语 |  |  |
| lwl  |  |  | I/L |  |  | Lawa, Eastern |  |  |  |  |  |
| lwm  |  |  | I/L |  |  | Laomian |  |  |  |  |  |
| lwo  |  |  | I/L |  |  | Luwo |  |  |  |  |  |
| lwt  |  |  | I/L |  |  | Lewotobi |  |  |  |  |  |
| lwu  |  |  | I/L |  |  | Lawu |  |  |  |  |  |
| lww  |  |  | I/L |  |  | Lewo |  |  |  |  |  |
| lya  |  |  | I/L |  |  | Layakha |  |  |  |  |  |
| lyg  |  |  | I/L |  |  | Lyngngam |  |  |  |  |  |
| lyn  |  |  | I/L |  |  | Luyana |  |  |  | луяна |  |
| lzh  |  |  | I/H | Chinese |  | Literary Chinese |  |  | 文言文 |  |  |
| lzl  |  |  | I/L |  |  | Litzlitz |  |  |  |  |  |
| lzn  |  |  | I/L |  |  | Leinong Naga |  |  |  |  |  |
| lzz  |  |  | I/L |  | ლაზური | Laz | laz(e) | lazo | 拉兹语 | лазский |  |