Fio Piccolo (フィオ・ピッコロ Fio Pikkoro) is the deuteragonist of Porco Rosso film. She is a talented young girl and the granddaughter of Porco's favorite mechanic. She first appeared in The Age of the Flying Boat and was the sole female protagonist until Hayao Miyazaki created Gina.

At the end of the film, she is briefly seen piloting a light jet-powered seaplane.