Isabel Euphemia Oakeshott (born 12 June 1974) is a British political journalist and broadcaster. She was the political editor of The Sunday Times and is the co-author, with Michael Ashcroft, of an unauthorised biography of former British prime minister David Cameron, Call Me Dave, and of various other non-fiction titles, including White Flag? An examination of the UK's defence capability, also written with Ashcroft, and Farmageddon, co-authored with Philip Lymbery.