Peter Richard Prinsley is a British Labour Party politician who has served as Member of Parliament for Bury St Edmunds and Stowmarket since July 2024. Born on 8 April 1958, he was elected to the House of Commons in the general election held on 4 July 2024, winning the seat for Labour in what had traditionally been a Conservative stronghold in Suffolk.

As a newly elected MP, Prinsley represents the interests of his constituents in Bury St Edmunds and Stowmarket in Parliament. His election victory was part of the wider Labour gains in the 2024 general election. He now contributes political and policy commentary to Comment Central.