Nam Hyun-woo (born 9 January 1985) is a Korean former professional tennis player. Born in Incheon, Nam featured in a single Davis Cup tie for South Korea, against Malaysia in Kuala Lumpur in 2004. He won his singles rubber over Mohammed-Noor Noordin. Nam, a quarterfinalist at the 2007 Summer Universiade, twice appeared in the main draw of a ATP Tour tournament, as a qualifier at both the 2007 Japan Open and 2008 China Open.