Thomas George Thomas, 1st Viscount Tonypandy, was a British politician who served as a member of parliament (MP) and Speaker of the House of Commons from 1976 to 1983. He was elected as a Labour MP.

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.