Nguyen Manh Tuong (Vietnamese: Nguyễn Mạnh Tường; born June 15, 1960) is a Vietnamese sport shooter. He won a bronze medal for the men's 25 m centre-fire pistol (CFP) at the 2002 Asian Games in Busan, South Korea, with a score of 586 points.
At age forty-four, Nguyen made his official debut for the 2004 Summer Olympics in Athens, where he finished forty-first in the men's 10 m air pistol by one point behind Chinese Taipei's Chang Yi Ning, with a score of 568 points.
At the 2008 Summer Olympics in Beijing, Nguyen competed for the second time in two pistol shooting events. He scored a total of 572 targets in the preliminary rounds of the men's 10 m air pistol, by three points ahead of Ukraine's Ivan Rybovalov from the final attempt, finishing only in thirty-fourth place. Three days later, Nguyen placed thirty-eighth in his second event, 50 m pistol, by two points ahead of Poland's Wojciech Knapik from the final attempt, with a total score of 543 targets.