Penelope Mary Mordaunt (; born 4 March 1973) is a British politician who served as Secretary of State for Defence from May to July 2019.
A member of the Conservative Party, she has been the Member of Parliament (MP) for Portsmouth North since 2010.
She served as Minister for Women and Equalities from 2018 to 2019 and Secretary of State for International Development from 2017 to 2019.
Mordaunt served in the Cameron Government as Parliamentary Under-Secretary of State at the Department for Communities and Local Government (2014–2015) prior to being appointed Minister of State for the Armed Forces at the Ministry of Defence in May 2015, the first woman to hold the post.
Starting in July 2016 she served in the May Government as Minister of State for Disabled People at the Department for Work and Pensions.
In November 2017, following the resignation of Priti Patel, Mordaunt was appointed International Development Secretary.
In May 2019, Mordaunt was appointed Defence Secretary after Gavin Williamson was dismissed by Prime Minister Theresa May following a leak of highly classified information from the National Security Council.
She served as Defence Secretary for 85 days, and was the first woman to hold this post.
She is currently the only female MP who is a Royal Naval Reservist.