Lin Xiling (1935–2009), originally named Cheng Haiguo, born in Shanghai, was a Chinese activist and dissident. Her father was a linguist at Beijing University who later went to Taiwan. In 1949, Lin was enlisted in PLA as a secretary in Wenling, Zhejiang. In 1953, she went to Renmin University. In the case of Hu Feng, she defended Hu and was later implicated by this.