Leonard Antonio Brioso Santos (born January 27, 2000) is a Filipino singer and actor. He is best known for his roles in Mars Ravelo's Darna (2022) and In His Mother's Eyes (2023). Santos' accolades include a FAMAS Award, Luna Award, and a PMPC Star Award for Movies.
Leonard Antonio Brioso Santos was born on January 27, 2000, in Las Piñas, Philippines. He completed high school at the University of Santo Tomas in Manila and earned a degree in music production from De La Salle-College of Saint Benilde. Initially recruited by Star Magic as a musician, Santos later transitioned into acting.
In 2020, Santos became the founder and CEO of 7K Sounds, a music label launched under ABS-CBN Music. He is also one of the label's recording artists. The label's name refers to the more than 7,000 islands of the Philippines. Through the label, he launched the online show The Search for the Sound of Seven Thousand Christmas Songs, created to feature original compositions from emerging Filipino musicians. Santos also co-hosted the show alongside Gretchen Ho.
Santos was diagnosed with attention deficit hyperactivity disorder (ADHD) and level 2 autism at age four and did not speak until he was six.
In August 2024, he revealed that he was courting co-star Kira Balinger. Later that month, he shared that she had rejected his courtship, though they remained good friends. In 2025, Balinger confirmed in an interview that they had briefly dated.