Arthur Onslow was an English politician. He set a record for length of service when repeatedly elected to serve as Speaker of the House of Commons, where he was known for his integrity.

The Speaker of the House of Commons is the presiding officer of the House of Commons, the lower house and primary chamber of the Parliament of the United Kingdom. The current speaker, Sir Lindsay Hoyle, was elected Speaker on 4 November 2019, following the retirement of John Bercow. Hoyle began his first full parliamentary term in the role on 17 December 2019, having been unanimously re-elected after the 2019 general election.