Cognomen Kalayaan (Kalayaan 
) , worldwide, is an extremely rare last name. The last name Kalayaan is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Kalayaan is the forename as well as the last name.
Sano, Maroque, Manatad, Angeles, Atienza, Clemino, Balonzo, Rafanan, Reveral, Domingo, Lumbera, Tiangco, Mangubat, Macasaet, Stephens, Nagtalon, Espiritu, Macapagal, Orpeza, Halili, Harper, Nebres, Erro, Vera, Magno, Sabio, Suyat, Pendo, Puzon, Roque, Inocentes, Renta, Hermo, Sta Barbara, Arnuco, Aquino, Bilbao, Dungog, Galang, Lumbao, Reyes, and Concepcion