In all the world, Kollett (Kollett 
) is an extremely rare feminine first name. Much more prevalently, Kollett is the last name as well as the forename.
Mr, Ilse, Ilvo, Ione, Maria, Mario, Marta, Marli, Mauro, Sarah, Susan, Sueli, Sonia, Alair, Adile, Ageli, Chris, Carol, Celia, Celio, Bruno, Bruna, Irma, Paula, Hugo, Eldo, Ana, Ari, Joe, Jim, Ivo, Mary, Miro, Alma, Kaua, Pete, Rita, Davi, Dawn, Luis, Jair, Jose, Joao, Nair, Noah, Ella, Elsa, Egon, and Paulo