Flagey may refer to:
Places Flagey Square, a square in Ixelles, Brussels, Belgium Flagey Building, or Le Flagey, a cultural institution on Flagey Square, Brussels Flagey, Doubs, a commune in the department of Doubs, France Flagey, Haute-Marne, a commune in the department of Haute-Marne, France Flagey-Echézeaux, a commune in the department of Côte-d'Or, France Flagey-lès-Auxonne, a commune in the department of Côte-d'Or, France Flagey-Rigney, a commune in the department of Doubs, France
People Camille Flagey (1837-1898), lichenologist Eugène Flagey, a Belgian lawyer and politician after whom Flagey Square is named