Shannon Wiratchai (Thai: ชนนภัทร วิรัชชัย; born November 14, 1988) is Thai mixed martial artist who competes in the Featherweight division. He was last signed to ONE Championship, where he also previously competed as a Lightweight. Wiratchai is a pioneer of mixed martial arts in Thailand, having made his professional debut in 2011. He is also known for his striking ability, holding the organization's record for the second-most knockouts in the ONE lightweight division, as well as the organization's second-fastest finish in lightweight history.