Ko Geon-woo (; born 31 July 1980), formerly known as Ko Ki-Gu (), is a South Korean footballer who plays as a forward.
His first A-match was at the East Asian Cup 2008 against China on February 17, 2008. In this match, he assisted the last goal, which was scored by Kwak Tae-Hwi.
He was member of South Korea of 2010 FIFA World Cup qualification. He played two games that played in Seoul, South Korea. The opponents were Jordan and North Korea, respectively.
Statistics correct as of matches played 22 June 2008