Heather Carol Hallett, Baroness Hallett, DBE, PC (born 16 December 1949) is a retired English judge of the Court of Appeal and a crossbench life peer. She was the fifth woman to sit in the Court of Appeal, and led the independent inquest into the 7/7 bombings. In December 2021, she was announced as the chair of the public inquiry into the UK Government's handling of the COVID-19 pandemic. On 29 June 2022, the Government accepted Baroness Hallett's "terms of reference"