Jun Tsuji, later Ryūkitsu Mizushima (辻 潤, Tsuji Jun, October 4, 1884 – November 24, 1944) was a Japanese author: a poet, essayist, playwright, and translator. He has also been described as a Dadaist, nihilist, Epicurean, shakuhachi musician, actor, feminist, and bohemian.