John Philip Glen, born in April 1974, is a British Conservative Party politician who has represented Salisbury in Wiltshire as Member of Parliament since 2010. He held senior government positions during Rishi Sunak's administration, serving as Chief Secretary to the Treasury from 2022 to 2023, where he played a key role in fiscal policy and public spending decisions. Glen subsequently took on the role of Minister for the Cabinet Office and Paymaster General from 2023 to 2024, overseeing government efficiency and cross-departmental coordination.

Since July 2025, Glen has served as Parliamentary Private Secretary to the Leader of the Opposition, supporting the Conservative leadership from the opposition benches. Throughout his parliamentary career, he has developed expertise in treasury matters, public finance, and government operations. Glen writes commentary for Comment Central.