Founded in 1998, the Kilyawan Boys Choir is a Philippine-based all-male chorale whose members' ages range from 8 to 22. The choir traces its roots to the school based Claret Boys Choir which was formed in August 1994. Director Mark Anthony Carpio has molded the group into one of the most sought after Boys Choir in the Philippines performing an extensive repertoire of Filipino and Foreign popular , traditional and Avant Garde music.
The Kilyawan Boys Choir has performed in prestigious musical halls including the Cultural Center of the Philippines, the Philippine International Convention Center, the UP Theater, Philam Life Auditorium and the Abelardo Hall. They have recorded three CDs. Kilyawan is a songbird - the Golden Oriole (in Filipino).