Chatan Wōji Chōki (北谷 王子 朝騎, 16 September 1703 – 27 March 1739), also known by his Chinese style name Shō Tetsu (尚 徹), was a prince of the Ryukyu Kingdom.
According to the Zhongshan Chuanxin lu (中山傳信錄), Chinese envoys came to Ryukyu to install Shō Kei as the new king in 1720.
Chōki wrote a Chinese poem to the Deputy Envoy (副使) Xu Baoguang (徐 葆光).
The name "Prince Chatan" appeared in an Okinawan folktale: Mimi kiri bōzu (耳切り坊主, "A monk whose ears were cut off").
He killed Kurogane zasu (黒金座主), a Vajrayana Buddhist monk, and was cursed, all his sons died young.