Sir Edward Jonathan Davey is a British politician who has served as Leader of the Liberal Democrats since 2020, having acted in the position from 2019 to 2020. He served in the Cameron–Clegg coalition as Secretary of State for Energy and Climate Change from 2012 to 2015 and as Deputy Leader to Jo Swinson in 2019. An "Orange Book" liberal, he has been the Member of Parliament (MP) for Kingston and Surbiton since 2017, and served in the same role from 1997 to 2015.

The Liberal Democrats are a political party in the United Kingdom. Party members elect the leader of the Liberal Democrats, the head and highest-ranking member of the party. Liberal Democrat members of Parliament also elect a deputy leader of the Parliamentary Party in the House of Commons, often colloquially referred to as the deputy leader. Under the federal constitution of the Liberal Democrats the leader is required to be a member of the House of Commons.