David John Feldman QC (Hon) FBA FRSA (/fɛldmən/) is a British legal academic, author and former judge. He is Emeritus Rouse Ball Professor of English Law at the University of Cambridge, and served as an international judge of the Constitutional Court of Bosnia and Herzegovina under the Dayton Agreement from 2002 to 2010. He is known for having shaped the development of civil liberties and human rights law in the United Kingdom.