Surname Siabra (Siabra 
) , across the world, is a rare family name. The surname Siabra is characteristic of Latin America and the Caribbean, particularly Brazil, where it is a very rare surname, Peru, and Venezuela, where it is an extremely rare surname. Much less frequently, Siabra is the forename as well as the last name.
Ana, Vitor, Fabio, Ivone, Osmar, Marisa, Marcos, Marcia, Marcio, Manoel, Moizez, Sineli, Senair, Arthur, Amalia, Ademir, Afonso, Carlos, Carmem, Rayssa, Robson, Daniel, Emily, Tania, Julio, Luiza, Alex, Dede, Gino, Lori, Luiz, Jaci, Jose, Joao, Nilo, Eloi, Dayane, Elza, Iris, Igor, Maria, Mario, Andre, Adair, Celia, Clara, Dilce, Lucas, Edna, and Djalma