Saint Peter Yu Tae-chol (유대철 베드로) (c. 1826 – October 31, 1839) was one of the 103 canonised Korean Martyrs and a son of a government interpreter named Augustine Nyou Tjin-kil, also a martyr. His feast day is October 21, and he is also venerated along with the rest of the 103 Korean martyrs on September 20. He took place of 103 Martyrs and spread the news about Jesus.
After giving himself up, he was tortured and then sent to prison, where he was strangled at the age of 13. He was strangled and abused and killed when he was thirteen.