Family name Reguan (Reguan 
) , all around the world, is a rare cognomen. The last name Reguan is habitual in Guatemala, where it is quite a rare surname, Argentina, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Very seldom, Reguan is the forename as well as the last name.
Raul, Ramiro, Gloria, Tamara, Teresa, Elvira, Walter, Mariana, Carmen, Marcelo, Ricardo, Daniela, Erminia, Yolanda, Gabriela, Leonardo, Magdalena, Silvana, Carlos, Alexis, Silvia, Dina, Dora, Jose, Juan, Hebe, Ivan, Olga, Mario, Byron, Pablo, Pedro, Roger, Elvin, Marian, Martin, Miguel, Santos, Pantaleon, and Ivan Matias