Kuroiwa Shūroku (黒岩 周六, Kuroiwa Shūroku, 29 September 1862 – 6 October 1920), also known as Kuroiwa Ruikō (黒岩涙香), was a Japanese journalist, novelist and a prolific translator, translating more than 100 French and English language novels into the Japanese language.

[1] Kuroiwa founded Yorozu Chōhō in 1892, which soon became one of Japan's largest newspapers.

[2] In 1919, while on his way to the Paris Peace Conference, Kuroiwa met with Madam C. J. Walker of the International League for Darker People to discuss a shared strategy at the conference.

His Dharma name, which he chose himself, was Kuroiwain Shūroku Ruikō Chūten Koji (黒岩院周六涙香忠天居士).