Editing Index of language articles (section)

==J==
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| [[Jakaltek language|Jacaltek]], Jakalteko or Popti' || [[Mayan languages|Mayan]]
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| [[Jalaa language|Jalaa]] || [[Unclassified language]], possibly [[Niger–Congo languages|Niger–Congo]]
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| [[Japanese language|Japanese]] || [[Japonic languages|Japonic]]
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| [[Japhug language|Japhug]] || [[Sino-Tibetan languages|Sino-Tibetan]]
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| [[Jaqaru language|Jaqaru]] || [[Aymaran languages|Aymaran]]
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| [[Jarai language|Jarai]] || [[Malayo-Polynesian languages|Malayo-Polynesian]]
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| [[Javanese language|Javanese]] || [[Malayo-Polynesian languages|Malayo-Polynesian]]
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| [[Jeju language|Jeju]] || [[Koreanic languages|Koreanic]]
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| [[Jemez language|Jemez]] or Towa || [[Tanoan languages|Tanoan]]
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| [[Jewish Babylonian Aramaic]] || [[Aramaic languages|Aramaic]]
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| [[Jewish Neo-Aramaic dialect of Zakho]] || [[Semitic languages|Semitic]]
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| [[Jibbali language|Jibbali]] or Shehri || [[Semitic languages|Semitic]]
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| [[Jicarilla language|Jicarilla]] || [[Athabaskan languages|Athabaskan]]
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| [[Juang language|Juang]] || [[Austroasiatic languages|Austroasiatic]]
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| [[Judaeo-Georgian|Judeo-Georgian]] || [[Kartvelian languages|South Caucasian]]
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| [[Jumaytepeque language|Jumaytepeque]] || [[Xincan languages|Xincan]]
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| [[Jurchen language|Jurchen]] || [[Tungusic languages|Tungusic]]
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