Keith Reginald Harris (born 11 April 1953) is a London-based investment banker and financier with a 30-year career as a senior corporate finance and takeover advisor, having held senior executive positions at leading institutions Morgan Grenfell, Drexel Burnham Lambert, Apax Partners, and HSBC Investment Bank. He is a private equity investor with interests in varied private equity holdings in financials, media, and sport.