Namkung Do (, born June 4, 1982) is a South Korean football manager and former player who serves as the assistant coach for the Vietnam national team.
He was part of the South Korean 2004 Olympic football team, who finished second in Group A, making it through to the next round, before being defeated by silver medal winners Paraguay.
His brother Namkung Woong is also a footballer.
He played domestically for Jeonbuk Hyundai Motors, Chunnam Dragons, Gwangju Sangmu Bulsajo (while on army service), Pohang Steelers, Seongnam Ilhwa Chunma and Daejeon Citizen, as well as for Belgian club Royal Antwerp.