All over the world, Callao (Callao ) is an extremely rare gender-neutral given name. Much more frequently, Callao is the last name as well as the forename.
Ma, Lea, Luz, Jac, Jay, Joy, Job, Jun, Jim, Jil, Tom, Nhy, Eva, Var, Oto, Ucv, Mary, Mark, Mars, Matt, Leo, Gus, Gay, Del, Mr, Al, La, El, Ed, Fe, May, Mae, Sol, Mafe, Sky, Ann, Anj, Art, Ace, Kim, Pau, Roy, Ren, Rey, Ana, and Medy
) is an extremely rare gender-neutral given name. Much more frequently, Callao is the last name as well as the forename.