Croydon and Sutton is a constituency represented in the London Assembly.

It consists of the combined area of the London Borough of Croydon and the London Borough of Sutton.

The south of Croydon is traditionally a more Conservative area, while the north of Croydon has traditionally Labour-voting areas.

Sutton is competitive between the Liberal Democrats and the Conservatives.

The equivalent Westminster seats are: Below are the results for the candidate which received the highest share of the popular vote in the constituency at each mayoral election.