Marina O'Loughlin is a British journalist, writer and restaurant critic. She was the regular weekly restaurant reviewer in the London Metro from 2006 to 2012, before moving to The Guardian, where she took over from John Lanchester. In 2017 she left The Guardian to become restaurant critic for The Sunday Times. She had a monthly travel column in the BBC Olive magazine detailing her food trips to locations including Macau and Glasgow, before moving on to BBC Good Food. She has also worked on a freelance basis for The Independent and London Evening Standard newspapers and