Sadiq Aman Khan is a British politician serving as Mayor of London since 2016. He was previously Member of Parliament (MP) for Tooting from 2005 until 2016. A member of the Labour Party, Khan is on the party's soft left and has been ideologically characterised as a social democrat.

The mayor of London is the chief executive of the Greater London Authority. The role was created in 2000 after the Greater London devolution referendum in 1998, and was the first directly elected mayor in the United Kingdom.