Dr. Ivan Png Paak Liang (Chinese: 方博亮; pinyin: Fāng Bóliàng) is a Singaporean economist and academic. He is a Distinguished Professor in the School of Business and Department of Economics at the National University of Singapore. Png was previously a faculty member at the UCLA Anderson School of Management from 1985 to 1996, and the Hong Kong University of Science and Technology from 1993 to 1996.