Carole Jane Cadwalladr (; born 1969) is a British author, investigative journalist and features writer. She is a features writer for The Observer and formerly worked at The Daily Telegraph. Cadwalladr rose to international prominence in 2018 when she exposed the Facebook–Cambridge Analytica data scandal. Cadwalladr was a finalist for the 2019 Pulitzer Prize for National Reporting, alongside The New York Times reporters, for her coverage of the Cambridge Analytica scandal.