Timothy John Stone, CBE (born 1951) is a British businessman and senior expert adviser with interests in infrastructure, finance, nuclear power and water supply. He is a non-executive director of the Arup Group, power company Horizon Nuclear Power and is a former senior expert non-executive director on the board of the European Investment Bank. He was also a non-executive director of Anglian Water from 2011 to 2015. He was appointed Chair of the UK's Nuclear Industry Association in October 2018.