Zhou Zuoren was a Chinese writer, primarily known as an essayist and a translator. He was the younger brother of Lu Xun, the second of three brothers.

Lu Xun, born Zhou Zhangshou, was a Chinese writer, literary critic, lecturer, and state servant. He was a leading figure of modern Chinese literature. Writing in vernacular and Literary Chinese, he was a short story writer, editor, translator, literary critic, essayist, poet, and designer. In the 1930s, he became the titular head of the League of Left-Wing Writers in Shanghai during republican-era China (1912–1949).