Around the world, Calayan (Calayan 
) is an extremely rare boy's first name. Much more prevalently, Calayan is the last name as well as the forename.
Meg, Joni, Joan, Joel, Nora, Noel, Eric, Erik, Emma, Faye, Irma, Zyra, Maria, Manny, Maira, Melba, Murat, Myrna, Sonia, Anita, Ariel, Armin, John, Lito, Lily, Gina, Amy, Ron, Rey, Rex, Joy, Tim, Ney, Eva, Ian, Mary, Adela, Mark, Myla, Anna, Amor, Raul, Rosa, Renz, Remy, Rico, Ruth, Gian, Mike, and Cesar