Kosuke Endo (遠藤 幸佑, Endō Kōsuke, born November 11, 1980 in Nakashibetsu, Hokkaidō) is a Japanese rugby union player who won 41 caps for the Japan and represented them at the 2007 and 2011 Rugby World Cup. Endo made his debut for Japan against Italy in July 2004, but then had to wait until 2006 until he returned for his second cap and then established himself as the first choice right wing after Daisuke Ohata late career was plagued by injuries, and remained there for most of John Kirwan's time as Japan coach between 2007 and 2011.