A language family constituting the languages of the Yuma and Mohave peoples and other Native American languages of western Arizona and adjacent parts of California and Mexico.

• 尤马语组一种语族，由尤马人和莫哈维人的语言与亚利桑那州西部及加利福尼亚和墨西哥邻接地区的其他美洲土著语言构成。