Sir David Glyndwr Tudor Williams, QC, DL (22 October 1930 – 6 September 2009) was a Welsh barrister and legal scholar. He was President of Wolfson College, Cambridge from 1980 to 1992. He was also Vice-Chancellor of the University of Cambridge: on a part-time basis from 1989 to 1992, and then as the first full-time Vice-Chancellor from 1992 to 1996.