Chang Chun-hsiung (Chinese: 張俊雄; pinyin: Zhāng Jùnxióng) (born March 23, 1938) is a politician in the Republic of China on Taiwan.

He earned his LL.B. at the National Taiwan University in 1960. As a lawyer, he defended the victims of the Kaohsiung Incident in 1980. From 1982 to 1986 he was President of the Kaohsiung Chapter of the YMCA. He married Chu A-ying; they have 3 sons and 1 daughter.

As a founding member of the Democratic Progressive Party, he was a member of its Central Committee and Executive Member of its Central Standing Committee from 1986 to 2000.

He was a member of the Legislative Yuan from 1983 to 2000. As a legislator, he was Executive Director and General Convener of the DPP Caucus from 1987 to 1988, 1990, and 1998 to 1999. He was Convener of the Judiciary Committee in 1991, of the Home and Border Affairs Committee in 92, and of the Transportation and Communications Committee in 95.

In the 2000 presidential election he was General Manager of Chen Shui-bian's Campaign. In the Chen Administration, he served as Secretary-General of the Office of the President in 2000, Vice Premier of the ROC in 2000 and Premier of the Republic of China from October 6, 2000 to February 1, 2002.

Since 2002, he has been Secretary General of the Democratic Progressive Party and a Senior Advisor in the Office of the President.

He ran in the 2004 Legislative Yuan election as fourth on the DPP's nationwide slate, any was easily elected, but resigned (as he promised to do during the campaign) since the Pan-Green Coalition failed to win a majority. He also tendered his resignation as Secretary-General of the Democratic Progressive Party to take responsiblity for the defeat.