Surname Longao (Longao 
) , worldwide, is a rare last name. The cognomen Longao is habitual in Philippines, where it is a rare surname, Thailand, where it is an extremely rare surname, and the United States. Much less frequently, Longao is the forename as well as the last name.
Sem, Pesigi, Rachel, Rosita, Regine, Retche, Gerson, Gedjun, Janice, Elfeo Chris, Hudson, Mariano, Maryann, Melinia, Menchie, Mildred, Mirriam, Michael, Pauline, Roberta, Reymart, Lalaine, Pakdee, Carlos, Chares, Ayyato, Mark, Beda, Joan, Juvy, Mauro, Alona, Chito, Carin, Regie, Rivas, Leonila, Rhoda, Lorna, Julia, Julio, Jules, Elena, Efren, Helen, Willy, Martin, Sangga, David, and Loremie