Su Zhaozheng (1885, Qi'ao Island – 1929, Shanghai), early leader of the Chinese Communist Party, labour movement activist. A native of the Qi'ao Island of Xiangshan County, Guangdong Province, he became a sailor, active in Sun Yatsen's nationalist organization Tongmenghui, and took part in organizing the Sailors' Union in 1920. As its chairman he led the General 1922 seamen's strike of Hong Kong and the General Canton–Hong Kong strike in 1925. He later assumed the office of Chairman of the All-China Federation of Trade Unions, became a member of the Chinese Communist Party in 1925 and also served in the Politburo Standing Committee of the 6th National Congress of the Chinese Communist Party. He participated in formulating the plan of Guangzhou Uprising in 1927 and was elected President of Peasants' and Workers' Democratic Government of Guangzhou. Simultaneously, he acted as Minister of Labour in the Leftwing KMT Government of Wuhan. He died from overwork in Shanghai in 1929.