Pien may refer to: Geography Piên, a town in Brazil Two towns in Poland: Pień, Kuyavian-Pomeranian Voivodeship Pień, Podkarpackie Voivodeship Pien, Burkina Faso Pianu (; ), a commune located in Alba County, Romania
People Pien, affectionate nickname for Jacqueline (given name), Josephine or Francine in the Netherlands Armand Pien (1920-2003), Belgian weatherman Ed Pien (1958), Canadian artist born in Taiwan Lark Pien (1972), American cartoonist Pien Sanders (1998), Dutch field hockey player Bian Que (redirect from Pien Ch'iao) (died 310 BC) Chinese physician Bian Zhilin (redirect from Pien Chih-lin) (Chinese: 卞之琳 1910–2000) José Lacasa Piens, founder of Lacasa, the oldest chocolate factory in Spain
Other Piens ("milk"), Latvian album by The Satellites 1998 Pien tze huang (片仔癀; Piànzǎihuáng) Chinese herbal formula first time documented during the Ming Dynasty (1555) Pien Fu (Chinese: 弁服; pinyin: biànfú) knee-length tunic over a skirt or pair of pants Bianhua, the concept of gradual transformation in Confucian or Taoist philosophy (pien), related to the pleading face emoji