Jacqueline Amanda Klein (born 28 January 1977) is a British art historian, broadcaster, and author. In 2016, she co-presented Britain's Lost Masterpieces for BBC4 with Bendor Grosvenor. She co-authored a book with her sister, Suzy Klein, entitled What is Contemporary Art? A Children's Guide, commissioned by the Museum of Modern Art, New York, and published in 2012 by Thames & Hudson. It has been translated into seven languages. In 2015, she was announced as Executive Editor at Tate Publishing, a role she left in 2018.