Harry Potter is the godson of Sirius Black in J.K. Rowling’s novels.
Sirius was one of James Potter’s closest friends and became Harry’s godfather before Harry’s birth. After Voldemort attacked the Potter family, Sirius was wrongly blamed for betraying them and spent years imprisoned in Azkaban. Harry learns the truth about Sirius during Harry Potter and the Prisoner of Azkaban.
Their relationship develops from a family connection into an important emotional bond. Sirius offers Harry information about his parents and represents a possible link to the family life Harry lost as a baby. However, Sirius’s fugitive status and the danger posed by Voldemort prevent him from becoming Harry’s permanent guardian.
The term godson is sometimes confused with legal guardianship. Sirius is Harry’s godfather, but the books do not present him as Harry’s everyday legal guardian during Harry’s childhood. His role is personal and ceremonial, with deep family significance.