Akiyoshi Tadashi 秋吉質 (Edo-period, dates undetermined), Japanese kanpō 漢方 physician. Author of Wēnyì lùn shīpíng / On’eki ron shihyō 溫疫論私評 (KR3eg022), a commentary on Wú Yǒuxìng’s Wēnyì lùn (KR3eg004). The text was transmitted to China and entered the late-Qīng Huáng Hàn yīxué cóngshū 皇漢醫學叢書 channel (1936); it is one of the substantial Edo-period Japanese contributions to the wēnyì commentary tradition. No detailed biographical material located.