Cognomen Montagnard (Montaigne 
, Montania 
, Montagnard 
) , in the entire world, is quite a rare last name. The surname Montagnard is habitual in Paraguay, where it is quite a common surname, France, where it is quite a rare surname, and Mauritius. In absolute terms, the name is most common in Paraguay, France, and Argentina. Very seldom, Montagnard is the forename as well as the last name.