Lis Wiehl (born August 19, 1961) is a New York Times bestselling American author of fiction and nonfiction books, and a legal analyst. She is the author of twenty books, including, most recently, A Spy in Plain Sight: The Inside Story of the FBI and Robert Hanssen―America's Most Damaging Russian Spy, published by Pegasus Books. Wiehl earned her Juris Doctor from Harvard Law School, her Master of Arts in Literature from the University of Queensland, and a bachelor's degree from Barnard College, Columbia University.