Last name Calayan (Calayan 
) , around the world, is quite a rare family name. The surname Calayan is habitual in Philippines, where it is quite a rare surname, Austria, where it is a rare surname, and Singapore, where it is a very rare surname. In absolute terms, it is the most numerous in Philippines, the United States, and Saudi Arabia.
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