Mo Yun-tuan (Chinese: 莫運端; pinyin: Mò Yùnduān; 11 May 1928 – 19 March 2018), known by the pen name Luo Fu (洛夫; Luòfū), was a Taiwanese writer and poet.

[4] Mo and his contemporary Yu Kwang-chung were described as the Gemini of Chinese poetry, in reference to the constellation depicting the mythological twins Castor and Pollux.

[1] Luo Fu founded the Epoch Poetry Society alongside Chang Mo [zh] and Ya Hsien in 1954.

[7] Wang Dan published a collection of poems titled Travel in Cold Alone in 2000, and cited Mo as an influence.

[7] He died of respiratory complications on 19 March 2018, while seeking treatment at Taipei Veterans General Hospital.