Quách Công L?ch (born 27 August 1993) is a sprinter and hurdler from Vietnam who specialises in the 400 m distance.
He won four silver and two bronze medals at the Southeast Asian Games in 2015–2017, and served as the flag bearer for Vietnam during the opening ceremony in 2015.
His younger sister Quách Th? Lan also won multiple medals in the 400 m and 400 m hurdles at the Southeast Asian Games.