Samuel Lamb or Lin Xiangao (simplified Chinese: ???; traditional Chinese: ???; pinyin: LÃn Xià n-gao; Wade–Giles: Lin2 Hsian4-Kao1; October 4, 1924 – August 3, 2013) was a Protestant pastor in Guangzhou, China.
He was a leader in the Chinese house church movement and known for his resistance against the state-sanctioned Three-Self Patriotic Movement (TSPM).