Melissa Anelli (born December 27, 1979) is an American author and webmistress. She is the author of the New York Times bestseller Harry, A History, which chronicles the Harry Potter phenomenon with exclusive interview material and a foreword written by Harry Potter creator J.K. Rowling. Anelli is also the full-time webmistress of The Leaky Cauldron, a commercial fansite devoted to the Harry Potter franchise for fans.