Globally, Castroman (Castroman 
) is an extremely rare masculine first name. Much more frequently, Castroman is the last name as well as the forename.
Ro, Hugo, Viky, Irma, Olga, Maria, Mario, Marta, Marã, Malee, Milii, Mirta, Mirna, Sulma, Sonia, Synna, Alejo, Angel, Arami, Ariel, Ailin, Clyde, Eloy, Elba, Elsa, Nora, Ana, Amy, Rey, Mary, Mike, Alex, Aldo, Andy, Abel, Aida, Brian, Pepe, Raul, Rosa, Dani, Dora, Gaby, Luis, Jose, John, Juan, Nano, Rafa, and Paula