Donald Wilfrid Kao Andrews (born 1955) is a Canadian economist. He is the Tjalling Koopmans Professor of Economics at the Cowles Foundation, Yale University. Born in Vancouver, he received his B.A. in 1977 at the University of British Columbia, his M.A. in 1980 in statistics at the University of California, Berkeley, and his Ph.D. in economics in 1982 also from the University of California, Berkeley. His specialty is in econometrics and has published a large part of his work in the journal Econometrica. He is also affiliated with the Yale Department of Statistics.