Dato' Tan Chin Nam (simplified Chinese: 陈振南; traditional Chinese: 陳振南; pinyin: Chén Zhènnán; 18 March 1926 – 21 October 2018) was a Malaysian entrepreneur and developer. His family is the majority shareholder of IGB Corporation Berhad. Tan's biography, released in 2006 and published by MPH Malaysia, is called Never Say I Assume!.