Nguy?n H?u Vi?t (born October 1, 1988) is a Vietnamese swimmer, who specialized in breaststroke events.
He had won a total of five medals (three golds, one silver, and one bronze), and set numerous records for both the 100 and 200 m breaststroke at the Southeast Asian Games (2003–2009).Nguyen made his first Vietnamese team, as a 15-year-old, the 2004 Summer Olympics in Athens, where he competed in the men's 100 m breaststroke.
Swimming in heat three, he rounded out a field of seven swimmers to last place and fifty-second overall by two thirds of a second (0.66) behind Estonia's Aleksander Baldin, with a time of 1:06.70.At the 2008 Summer Olympics in Beijing, Nguyen qualified again for the second time in the 100 m breaststroke.
He received a FINA wild card entry by achieving his personal best of 1:03.73 from his gold medal triumph at the 2007 Southeast Asian Games in Bangkok, Thailand.
Nguyen challenged five other swimmers in heat two, including fellow two-time Olympian Sergiu Postica of Moldova.
He raced to fourth place by 0.14 of a second behind Lebanon's Wael Koubrousli in 1:06.36.
Nguyen failed to advance into the semifinals, as he placed fifty-eighth overall on the first night of the preliminaries.