Answer: Lyu Xiaojun
Notes: Lyu Xiaojun is the oldest man to win an Olympic gold medal at the age of 37. He won Gold medal at Tokyo Olympics recently. He participated in 81 kilogram category. He belongs to China. Till 2018, he participated in 77 Kg category and was two time Olympic champion and five time world champion in this category. After 2018, he started participating in 81 Kg category as the International Weightlifting Federation recognized this category after 2018.
