City, University of London is a public research university in London, United Kingdom, and a member institution of the federal University of London. It was founded in 1894 as the Northampton Institute, and became a university when The City University was created by royal charter in 1966. The Inns of Court School of Law, which merged with City in 2001, was established in 1852, making it the university's oldest constituent part. City joined the federal University of London on 1 September 2016, becoming part of the eighteen colleges and ten research institutes that then made up that university. In August 2024, City will merge with St George's, University of London to form City St George's, University of London.

Member institutions of the University of London are colleges and universities that are members of the federal University of London.