|First appearance||The Prisoner of Benda|
|Voiced by||Tress MacNeille|
Princess Flavia is the fiancée of Emperor Nikolai. She had an affair with Basil (Nikolai's cousin) for 700 years. She tries to kill her fiancée (who has Bender Bending Rodríguez's mind) along with Basil in order for him to take over the throne. Bender finds her very attractive.