Tong Dizhou (童第周) (May 28, 1902 － March 30, 1979) was a Chinese embryologist remembered for his contributions to the field of cloning. He was the former vice president of Chinese Academy of Science.
Born in Yinxian, Zhejiang province, Tong graduated from Fudan University in 1924 with a degree in psychology, and received a PhD in 1930 from Free University Brussels (ULB).
From 1950 to 1956, he was a supporter of Lysenkoism. 
In 1963, Tong inserted DNA of a male carp into the egg of a female carp and became the first to successfully clone a fish. He is regarded as "the father of China's clone".
Tong was also an academician at the Chinese Academy of Sciences and the first director of its Institute of Oceanology from its founding in 1950 until 1978.