Neil John O'Brien OBE (born 6 November 1978) is a British politician who was appointed Parliamentary Under-Secretary of State for Primary Care and Public Health in September 2022. He was elected Member of Parliament (MP) for Harborough in 2017. A member of the Conservative Party, he was previously a special adviser to Chancellor of the Exchequer George Osborne from 2012 to 2016 and Theresa May during her tenure as Prime Minister.