Ealing and Hillingdon is a constituency represented in the London Assembly since its formation in 2000.

It has been represented by Bassam Mahfouz of the Labour Party since 2024.

As its name suggests, the constituency consists of the combined area of the London Borough of Ealing and the London Borough of Hillingdon.

The constituency contained all of the following UK Parliament constituencies after the 2019 General Election: Additionally it contains part of one other constituency: Below are the results for the candidate which received the highest share of the popular vote in the constituency at each mayoral election.