William Roffen Esterson[2] (born 27 October 1966)[3] is a British Labour Party politician who has served as Member of Parliament (MP) for Sefton Central since 2010.

[8] During his time as a councillor, Esterson served on the Environment, Food and Rural Affairs; Education; Community and Local Government; and Treasury Select Committees.

[10] Esterson contributed to the Hillsborough debate in the House of Commons on 17 October 2011 by reading directly the words of a bereaved father.

[13][14] He was made Shadow Minister for Small Business following Jeremy Corbyn's election as Leader of the Labour Party in September 2015.

[4] At the 2024 general election, Esterson was again re-elected, with a decreased vote share of 56.4% and an increased majority of 18,282.

[22] In November 2024, Esterson voted in favour of the Terminally Ill Adults (End of Life) Bill, which proposes to legalise assisted suicide.