* Bartemius Crouch Jr. (disguised as Mad-Eye Moody): The Defense Against the Dark Arts teacher at Hogwarts. He is actually an imposter, serving as a Death Eater and Lord Voldemort's secret spy.
* Madame Olympe Maxime: The Headmistress of Beauxbatons Academy of Magic, representing France.
* Igor Karkaroff: The Headmaster of Durmstrang Institute, representing Bulgaria.
* Albus Dumbledore: The Headmaster of Hogwarts. He serves as the Chief Judge and ensures the fair and safe execution of the tournament.
While not official judges, the other Hogwarts Professors and a large group of Ministry of Magic officials are present to oversee the tournament and provide guidance and assistance.