Thomas F. Madden (born 1960) is an American historian, the Chair of the History Department at Saint Louis University in St. Louis, Missouri, and Director of Saint Louis University's Center for Medieval and Renaissance Studies.
He is considered one of the foremost historians of the Crusades in the United States. He has frequently appeared in the media, as a consultant for various programs on the History Channel and National Public Radio.
In 2007, he was awarded the Haskins Medal from the Medieval Academy of America, for his book Enrico Dandolo and the Rise of Venice, which was also a "Book of the Month" selection by the BBC History magazine.