Cognomen Massun (Massun 
) , around the world, is a rare surname. The family name Massun is habitual in Argentina, where it is a rare surname, Belgium, and France, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Argentina, Belgium, and Mexico. Much less frequently, Massun is the forename as well as the last name.
Fã, Agustin, Rosario, Roberto, Ricardo, Delfina, Gustavo, Gonzalo, Ernesto, Ezéchiel, Ignacio, Patricio, Gabriela, Veronica, Fernando, Magdalena, Sebastian, Guillermo, Alfredo, Alberto, Marcelo, Mariano, Jose, Juan, Theo, Edna, Maria, Berta, Brian, Diego, Florencia, Tomas, Martin, Martha, Michel, Susana, Sergio, Romina, Lionel, Félix, Felix, and Jacques-David