Gaudencio Sillona III (born February 1, 1981), known professionally as Jay R, is a Filipino-American singer, songwriter, record producer, actor, and model. In 2003, he released his debut album, Gameface, under Universal Records. The album was certified platinum by the Philippine Association of the Record Industry (PARI), and included the single "Bakit Pa Ba," which achieved commercial success.

In 2004, Jay R collaborated with Kyla (Filipino singer) with the single "Not Your Ordinary Girl" from her album of the same name. The collaboration contributed to their recognition as prominent figures in Philippine R&B. They subsequently released several duets, including “Back In Time,” “Say That You Love Me,” “You Are Not Alone,” and “Undeniable.”

In 2006, he established a recording studio and launched an independent record label initially named JAYRS Music, later rebranded as Homeworkz Records. That year, he released the Christmas album Christmas Away from Home, dedicated to his late uncle Reny, which was re-released in 2008 with proceeds benefiting the GMA Kapuso Foundation. In 2008, he releasedSoul in Love, a cover album that became one of his best-selling work. Jay R made his film debut in the 2004 movie Happy Together and released his self-titled second album in 2005.

In early 2010, Jay R released Jay R Sings OPM Love Classics, an album featuring revivals of Original Pilipino Music love songs. He later recorded a song in Indonesian, intended for release in Indonesia. He appears as a performer on the GMA network's musical variety show Party Pilipinas and served as the host of the Philippine adaptation of the dating game show Take Me Out.

In 2014, after more than a decade with GMA Network, Jay R transferred to ABS-CBN. He made his debut on the network as a contestant on the impersonation competition Your Face Sounds Familiar marking his first appearance on a reality show.