Meg Rosoff is an American writer based in London, United Kingdom. She is best known for the novel How I Live Now (Puffin, 2004), which won the Guardian Prize, Printz Award, and Branford Boase Award and made the Whitbread Awards shortlist. Her second novel, Just in Case (Penguin, 2006), won the annual Carnegie Medal from the British librarians recognising the year's best children's book published in the UK.

Meg Rosoff was born in Boston and had three or four careers in publishing and advertising before she moved to London in 1989, where she lives now with her husband and daughter. Formerly a Young Adult author, Meg has earned numerous prizes including the highest American and British honors for YA fiction: the Michael L. Printz Award and the Carnegie Medal.