Michelle Emma May Elizabeth Donelan is a British politician serving as Secretary of State for Science, Innovation and Technology since July 2023, having previously served in the position from February to April 2023 before being temporarily replaced during her maternity leave. A member of the Conservative Party, Donelan also held three other cabinet positions from 2020 to 2023 under Boris Johnson, Liz Truss and Rishi Sunak. She has been Member of Parliament (MP) for Chippenham in Wiltshire since 2015.

The secretary of state for science, innovation and technology is a secretary of state in the government of the United Kingdom, with responsibility for the Department for Science, Innovation and Technology. The incumbent is a member of the Cabinet of the United Kingdom.