Bo Yang (simplified Chinese: 柏杨; traditional Chinese: 柏楊; pinyin: Bó Yáng; 7 March 1920 – 29 April 2008), sometimes also erroneously called Bai Yang, was a Chinese historian, novelist, philosopher, poet, and politician based in Taiwan. He is also regarded as a social critic. According to his own memoir, the exact date of his birthday was unknown even to himself. He later adopted 7 March, the date of his 1968 imprisonment, as his birthday.