The Yabutian or Jabutian languages are two similar moribund languages of southern Rondônia, Brazil, namely Arikapú (Maxubí) and Djeoromitxi (Yabutí/Jabotí).

They are members of the Macro-Je language family.

Loukotka (1968) lists the following basic vocabulary items for Yabutian language varieties.

[1] Proto-Jabutí reconstructions by van der Voort (2007):[2] For a list of Proto-Jabutí reconstructions by Nikulin (2020),[3] see the corresponding Portuguese article.