Suiin Emi

, born , was a Japanese novelist and journalist.

Born in Okayama into a shizoku (former samurai) family, he travelled to Tokyo to join the army but instead joined the Kenyūsha literary society and quickly became celebrated during the Sino-Japanese War for his patriotic stories in the newspaper Chūō Shinbun.

A pillar of the Meiji-era literary establishment, and the editor of Kobe Shinbun and Taiheiyo as well as Senshibankō and Kozakuraodoshi,

He was the first to refer to sumo as the national sport (kokugi), inspiring the name of the Ryōgoku Kokugikan stadium built in 1909. He died in Matsuyama.