Merton and Wandsworth is a constituency in the London Assembly.

Since the 2016 election, it has been represented by Labour's Leonie Cooper.

As its name suggests, the constituency consists of the combined area of the London Borough of Merton and the London Borough of Wandsworth.

Created in 2000, Merton and Wandsworth had elected only Conservative AMs until 2016, when current AM Leonie Cooper of the Labour Party was elected.

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