Surname Cotaco (Cotaco 
) , across the world, is a rare cognomen. The surname Cotaco is habitual in Philippines, where it is a rare surname, Singapore, where it is a very rare surname, and the United States, where it is an extremely rare surname.
Ana, Abigail, Adelita, Aico Melisa, Carlito, Cecilia, Bernard, Dominic, Leonora, Leticia, Ernesto, Excelza, Milagros, Angelica, Cristina, Leopoldo, Josefina, Emmanuel, Hernando, Victoria, Virginia, Sherrylyn, Annavie, Mariano, Joseph, Danilo, Sean, Aico, Paul, Jose, John, Emma, Allen, Ariel, Cathy, Cesar, Adoracion, Cenen, Delio, Diane, Elmer, Erwin, Harly, Hazel, Arlene, Amando, Camilo, Delfin, Prima, and Catherine