Fabio is a character from the anime and light novel series I Shall Survive Using Potions!. He is the son of Prime Minister Corneau of the Kingdom of Brancott.

Fabio is depicted as a serious and candid individual. He typically maintains a calm and composed demeanor and is known for being an efficient and proactive aide to the royal family of Brancott. His physical appearance includes finely trimmed short brown hair and narrow eyes, with a style that is often described as a business outfit, including a tie.

Within the story, Fabio is primarily defined by his relationships from the Kingdom of Brancott. He is a childhood friend of both Prince Fernand Brancott and another noble youth named Allan. Acting as a loyal and trusted supporter of the prince, Fabio is tasked with investigating matters of importance. His most significant role in the narrative involves a mission to locate the protagonist, Kaoru Nagase. After her sudden disappearance from Brancott, Fabio gathers intelligence and successfully traces her to the Kingdom of Balmore, where she has become known as the Friend of the Goddess. He then coordinates with Prince Fernand to arrange an official diplomatic visit to Balmore, with the goal of bringing Kaoru back to Brancott. This showcases his resourcefulness, as he is capable of acquiring useful information from traveling merchants and making necessary political preparations with efficiency.

There is no information available regarding Fabio's personal development throughout the series, his specific motivations beyond his duty to the prince, or any notable magical or combat abilities.