Today, the most common designation for the group and their language is Awetí or Aweti, with the latter more often used in Portuguese. In English, the preferred spelling includes an acute accent on the final , again following ABA norms, to encourage stress on the last syllable, which reflects how the name is pronounced in Portuguese, including by the Awetí themselves when speaking Portuguese.

Several different spellings of the people and language can be found in the literature. They differ in having one or several of the above