All around the world, Coltre (Coltre 
) is an extremely rare unknown gender forename. Much more prevalently, Coltre is the last name as well as the forename.
Mr, Marta, Marco, Magno, Sueli, Selma, Sonia, Alice, Aline, Andre, Celia, Celso, Cesar, Craig, Bruno, Bruna, Bruce, Bc-Dmt, Karen, Katia, Paulo, Pedro, Mario, Roney, Maria, Vera, Ms, Ana, Eva, Alan, Anne, Caio, Cyro, Kyra, Rosa, Rita, Davi, Geny, Luiz, Jade, Jose, John, Joao, Nair, Noel, Elza, Enzo, Igor, and Renan