The Israeli actress will measure up to Superman Henry Cavill and Batman Ben Affleck in the film.
Director Zack Snyder has confirmed the news in a statement that reads: "Wonder Woman is arguably one of the most powerful female characters of all time and a fan favorite in the DC Universe. Not only is Gal an amazing actress, but she also has that magical quality that makes her perfect for the role.
"We look forward to audiences discovering Gal in the first feature film incarnation of this beloved character."
Gadot reportedly beat out former Bond girl Olga Kurylenko for the part.