Surname Gibbus (Gibbet 
, Gibet 
, Gibbus ) , across the world, is a rare cognomen. The family name Gibbus is habitual in France, where it is a rare surname, Estonia, and Spain, where it is a very rare surname. In absolute terms, it is the most numerous in France, Spain, and Mexico. Likewise, Gibbus is the forename as well as the last name.