Timothy Martin Thornton (born 14 April 1957) is a retired British Anglican bishop. His final post was as Bishop at Lambeth, Bishop to the Forces, and Bishop for the Falkland Islands (2017–2021). He was previously the area Bishop of Sherborne from 2001 to 2008, the diocesan Bishop of Truro (2009–2017), and a Member of the House of Lords (2013–2017).