The 21-year-old forward joins from K League 1 club Suwon Samsung Bluewing for a reported fee of £2.5 million. Oh, who has one cap for his country, scored 14 times in 53 appearances for Suwon.
He joins Celtic's collection of Asian talent with six Japanese players having followed manager Ange Postecoglou to Scotland from the J-League over the past two years.
🆕✍️ Oh is a Celt! 🟢⚪— Celtic Football Club (@CelticFC) January 25, 2023
We are delighted to announce the signing of South Korean international Hyeongyu Oh, subject to international clearance.
Welcome to #CelticFC, Oh 🍀🇰🇷