Peter Keir Lamb (born 1986) is a British politician who has served as Member of Parliament (MP) for Crawley since 2024.

Lamb studied at Southampton University, where he received a Bachelor of Arts in Modern History and Politics in 2007 and a Master of Science in Citizenship and Governance in 2008.

According to PR Week, Lamb was a "senior consultant for The Campaign Company, which specialises in insight and engagement and works for clients including local authorities, central government departments, the NHS, charities and universities.

[10] Being the MP for a constituency with a large community of Chagossians, he has shown interest in the debate related to the international status of the Chagos Islands.

[11] In January 2025, Lamb asserted that, contrary to David Lammy's claims, the British government has not engaged with the Chagossians throughout the process to strike a deal.