Mr. Corneille's office is a minor location in The Amazing World of Gumball. As its name suggests, it is the office of Mr. Corneille in Elmore Junior High. It makes its first appearance in "The Others."
- "The Others": Clare comes here to say goodbye to Mr. Corneille.
- "The Advice": It makes a brief appearance when Mr. Corneille comes out of it during Take My Advice.