Kawagoe Masayoshi 川越正淑 (sinicized Chuānyuè Zhèngshū, fl. late eighteenth–early nineteenth century, 江戶), Japanese physician of the kohō-ha 古方派 (ancient-formula school) tradition, active in southern Japan (南越). He is the author of two short Shānghán monographs preserved in the Kanripo hxwd corpus: Shānghán yòng yào yán jiū 傷寒用藥研究 (KR3ef069, dated 1797 by the postface) and Shānghán mài zhèng shì 傷寒脈證式 (KR3ef073). The works are characteristic late-Edo kohō-school clinical handbooks focusing on the systematic justification of Shānghán prescription-choice on the basis of pulse-and-syndrome evidence. Detailed biographical information is sparse; the works circulate in Japanese block-print editions only and were not transmitted to China.