Jex de Castro

Jex Marc de Castro (born ) is a Filipino singer.

Early life De Castro was born into poverty, and was unable to finish high school. Coming from a family of singers, de Castro joined multiple local singing contests.

He would eventually be able to join the Manila Philharmonic Orchestra as a wedding singer in 2016. He lost to Mark Michael Garcia in the final. De Castro performed "Listen" by Beyoncé and a medley of songs by Sarah Geronimo.

He would take part in various different theater productions such as Lion King: The Musical in 2014. He was selected to record the gospel song "Sa Piling Ko" which was a theme song by the television special, In My Father's Arms.

De Castro would join the 2023 Stars of the Albion Grand Prix in London upon recommendation by Vega Entertainment Productions. He was able to join after a successful fundraiser, His feat was recognized by President Bongbong Marcos.

Personal life De Castro has a younger brother whose education he helped fund. His brother eventually became an architect.