Diane Martin, Miss America
Full Name: Diane Martin
Ranger Designation: Miss America
Weapons:Command Bat, Throwing Knives

She is a FBI agent who joined the Battle fever J to avenge her father Special Agent Bosner, he was murdered at Toyko Airport by Egos' assassin. She is armed with throwing knives. During the team's roll call, she performs a disco dance. After she was wounded by the Dracula Monster, she returned to the United States in Episode 24. Diane has a sister named Catherine. She appears from Episode 1 to Episode 24.