Zhiliang Ying (Chinese: 应志良; pinyin: yìng zhìliáng; born April 1960) is a Professor of Statistics in the Department of Statistics, Columbia University. He served as co-chair of the department. He received his PhD from Columbia University in 1987, with Tze Leung Lai as his doctoral advisor. He was the Director of the Institute of Statistics at Rutgers University from 1997 to 2001. His wide research interests cover Survival Analysis, Sequential Analysis, Longitudinal Data Analysis, Stochastic Processes, Semiparametric Inference, Biostatistics and Educational Statistics. He is a co-editor of Statistica Sinica and has been Associate Editor of JASA, Statistica Sinica, Annals of Statistics, Biometrics, and Lifetime Data Analysis.