Kodai Naraoka (奈良岡 功大, Naraoka Kōdai, born 30 June 2001) is a Japanese badminton player affiliated with NTT East.[2] Born in Aomori, he started playing badminton at the age of 5 with the influence of his father.[3] He won the silver medal at the 2023 World Championships.[4]
In his junior career, Naraoka has won a silver at the World Junior Championships in 2018, where he previously claimed a bronze in 2017. He represented his country competed at the 2018 Summer Youth Olympics in Buenos Aires, Argentina, won the bronze medals in the boys' singles and mixed team event.[5]