Across the world, Chassain (Chassain 
) is an extremely rare feminine given name. Much more prevalently, Chassain is the last name as well as the forename.
Mr, Simon, Aline, Alain, Andre, Annie, Cyril, Bruno, Kenny, Kevin, Roger, Denis, David, Linda, Louis, Lucia, Lucie, Lucas, Julie, Nelly, Elisa, Erwan, Sabah, Sarah, Maude, Marie, Ms, Max, Sã, Clo, Guy, Leo, Vã, Marc, Mael, Paul, Herve, Rene, Léa, Jany, Jean, Titi, Nico, Eric, Yona, Yves, Yvon, Maria, Remi, and Henri