The female Iron Man is Pepper Potts, who takes on the mantle of Ironheart in the Marvel Cinematic Universe.
She is portrayed by Gwyneth Paltrow in the Iron Man films and by Dominique Thorne in the Disney+ series Ironheart.
Pepper Potts is a strong and independent woman who has been a close confidante and partner to Tony Stark. She takes on the role of Ironheart after Tony's death, using her intelligence and resources to create her own suit of armor.