Yonabaru Ryōō

Yonabaru Ueekata Ryōō (与那原 親方 良応), also known by his Chinese style name Ba Isai (馬 異才), was a bureaucrat of the Ryukyu Kingdom.

Yonabaru Ryōō served as a member of Sanshikan from 1805 to 1820. In 1816, he translated Tongmeng Xuzhi (童蒙須知), a Confucian textbook suitable for teaching young children written by Zhu Xi, into Japanese, and taught at school.