List of spoken and sign languages beginning with the letter Y

This list of spoken and sign languages beginning with the letter Y is based on data by Ethnologue, a publication of SIL International. Some languages have been bolded, to note their more wide-spread usage.

• Yaaku language
• Yabaâna language
• Yabarana language
• Yabem language
• Yaben language
• Yabong language
• Yace language
• Yaeyama language
• Yafi language
• Yagaria language
• Yagnobi language
• Yagomi language
• Yagua language
• Yagwoia language
• Yahadian language
• Yahang language
• Yahuna language
• Yaka language
• Yaka language
• Yakaikeke language
• Yakamul language
• Yakan language
• Yakha language
• Yakima language
• Yakoma language
• Yakut language
• Yala language
• Yalahatan language
• Yalarnnga language
• Yale language, including Kosarek, Angguruk, Ninia, and Pass Valley variants
• Yalunka language
• Yámana language
• Yyamap language
• Yamba language
• Yambes language
• Yambeta language
• Yamdena language
• Yameo language
• Yami language
• Yaminahua language
• Yamna language
• Yamongeri language
• Yamphe language
• Yamphu language
• Yana language
• Yandruwandha language
• Yanesha' language
• Yangben language
• Yangbye language
• Yangho language
• Yangkam language
• Yangman language
• Yango language
• Yangulam language
• Yankunytjatjara language
• Yanomámi language
• Yanomamö language
• Yansi language
• Yanyuwa language
• Yao language
• Yaouré language
• Yapese language
• Yapunda language
• Yaqay language
• Yaqui language
• Yarawata language
• Yareba language
• Yarí language
• Yarsun language
• Yarumá language
• Yaruro language
• Yasa language
• Yau language
• Yau language
• Yaul language
• Yauma language
• Yaur language
• Yavitero language
• Yawa language
• Yawalapití language
• Yawanawa language
• Yawarawarga language
• Yaweyuha language
• Yawiyo language
• Yawuru language
• Yazgulyam language
• Yei language
• Yekhee language
• Yekora language
• Yela language
• Yele language
• Yelmek language
• Yelogu language
• Yemba language
• Yemsa language
• Yendang language
• Yeni language
• Yeniche language
• Yerakai language
• Yeretuar language
• Yerong language
• Yerukula language
• Yeskwa language
• Yessan-Mayo language
• Yetfa language
• Yevanic language
• Yeyi language
• Yi language, including the central, guizhou, sichuan, southeastern, western, and yunnan dialects.
• Yiddish language, including Eastern and Western variants
• Yidgha language
• Yidiny language
• Yil language
• Yimas language
• Yinchia language
• Yindjibarndi language
• Yindjilandji language
• Yine language
• Yinggarda language
• Yinglish
• Yir Yoront language
• Yis language
• Yiwom language
• Yoba language
• Yogad language
• Yoidik language
• Yoke language
• Yokuts language
• Yombe language
• Yonaguni language
• Yong language
• Yongkom language
• Yopno language
• Yora language
• Yoron language
• Yoruba language
• Yos language
• Yoy language
• Yuaga language
• Yubanakor language
• Yuchi language
• Yucuna language
• Yugambal language
• Yugh language
• Yugur language, East and West variants
• Yuhup language
• Yukaghir language, Northern and Southern variants
• Yuki language
• Yukpa language
• Yukuben language
• Yulu language
• Yupik language, including Central, Central Siberian, Naukan, Pacific Gulf, and Sirenik variants
• Yuqui language
• Yuracare language
• Yurok language
• Yuruti language
• Yuwana language

Non-Spoken Languages

• Yiddish sign language
• Yucatec maya sign language
• Yugoslavian sign language