Tatsunosuke Yamazaki (?? ???, Yamazaki Tatsunosuke, 19 June 1880 – 15 March 1948) was a Japanese was a politician and cabinet minister in the Taisho and early Showa periods of the Japan.
His brother, Iwao Yamazaki was also a politician and cabinet minister, and his nephew Heihachiro Yamazaki was later a prominent member of the post-war Liberal-Democratic Party.