Jonalyn Roxas Viray (born November 15, 1989 in San Mateo, Rizal, Philippines) is a Filipina singer noted for her vocal range, belting prowess and the ability to sing in the whistle register.She is classified as a Spinto Coloratura Soprano and is noted for giving a soulful dramatic effect to the songs she sings She has been credited to having more than four-octave range.
She was the first ever Pinoy Pop Superstar Grand Champion (others were Maricris Garcia & Gerald Santos). The now defunct show did not produce winners with significant impact in the Philippine music industry.