Chang Tong-rong (Chinese: 張通榮; pinyin: Zhāng Tōngróng; born 4 February 1949) was the mayor of Keelung City in Taiwan.

Chang received his bachelor's degree in electrical engineering from China University of Science and Technology and master's degree in shipping and transportation management from National Taiwan Ocean University.

Chang was elected as the Mayor of Keelung City after winning the 2007 Keelung City Mayoralty by-election under Kuomintang on 12 May 2007 and took office on 22 May 2007 due to the death of then-incumbent Mayor Hsu Tsai-li which was elected as mayor since the 2001 Keelung City mayoralty election on 1 December 2001 and took office on 20 December 2001.

He was reelected for the second term of mayor after winning the 2009 Keelung City mayoralty election on 5 December 2009 and took office on 20 December 2009.

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