Gillian Joanna Merron, Baroness Merron (born 12 April 1959) is a British politician and life peer serving as Chief Executive of the Board of Deputies of British Jews since 2014. A member of the Labour Party, she has been a shadow spokesperson for Health and Social Care since 2021. She was previously Member of Parliament (MP) for Lincoln from 1997 to 2010 and held several ministerial offices in the Blair and Brown governments.