Sir David Hartmann Higgins (born 1954) is an Australian-British businessman, the Chairman of United Utilities Group (since 1 January 2020), Chairman of Gatwick Airport (since 1 January 2017), and the former Non-Executive Chairman of High Speed Two (HS2) (March 2014 to July 2018). He was Chief Executive of the London 2012 Summer Olympics Delivery Authority and Network Rail.