Dame Sonia Rosemary Susan Proudman, DBE (30 July 1949 â 22 July 2023), styled The Hon. Mrs Justice Proudman, was a judge of the High Court of England and Wales.
Proudman was educated at St Paul's Girls' School and Lady Margaret Hall, Oxford. She was one of the first female winners of the Eldon Scholarship.
Proudman was called to the Bar, Lincoln's Inn in 1972. She became a Bencher in 1996 and a Recorder in 2000. She was a Deputy High Court Judge from 2001 to 2008, until she was appointed to the Chancery Division on a full-time basis. She was the second woman assigned to the Chancery Division, after Mary Arden.
Proudman was made a Dame Commander of the Order of the British Empire in 2008.
Proudman retired from the bench on 2 October 2017.
Sonia Proudman died on 22 July 2023, at the age of 73.
Proudman obtained a grant of arms in 2009.