The Mundurukú languages of Brazil form a branch of the Tupian language family. They are Munduruku and the extinct Kuruáya.

You can help expand this article with text translated from the corresponding article in Portuguese. (December 2020) Click [show] for important translation instructions. View a machine-translated version of the Portuguese article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 1,522 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Portuguese Wikipedia article at [[:pt:Línguas mundurucus]]; see its history for attribution. You may also add the template {{Translated|pt|Línguas mundurucus}} to the talk page. For more guidance, see Wikipedia:Translation.

Loukotka (1968) lists the following names for Mundurucú language varieties, including names of unattested varieties.^[1]

• Mundurucú / Paiquizé / Pari / Weidéñe - originally spoken along the Tapajós River, now on the Urariá River and Maué-assú River, Amazonas.
• Kuruáya / Caravare / Curivere / Guahuara / Curuapa - spoken on the Curua River, now perhaps extinct.

Some Proto-Mundurukú reconstructions by Picanço (2005) are as follows.^[2]