Anne Margaret Diamond OBE is a British journalist, broadcaster, and children's health campaigner. She presently hosts the weekend breakfast show on GB News with Stephen Dixon as her co-presenter. She hosted Good Morning Britain for TV-am and Good Morning with Anne and Nick for BBC One, with Nick Owen. In 2023, she was made an OBE for her service to children's health and is the first non-medic to hold the Royal College of Paediatrics College Medal. In 1991, following the death of her third son Sebastian, Diamond successfully campaigned for research into cot death. The campaign, which she co-founded, is reported to have cut the UK's incidence of cot death from over 2,000 a year to approximately 300.

She has also worked for LBC, Radio Oxford, BBC London, BBC Berkshire, and is a regular columnist for the various UK newspapers. Since 2003, she has made regular appearances on Channel 5's topical discussion show The Wright Stuff and now its successor, Jeremy Vine.