Denkaosan Singwangcha (Thai: เด่นเก้าแสน เก้าวิชิต, เด่นเก้าแสนกระทิงยิม, เด่นเก้าแสน สิงห์วังชา; born, August 23, 1976) is a professional boxer from Thailand, he is a former WBA Flyweight World champion.

After achieving an undefeated streak of 21 victories, he challenged Eric Morel for WBA flyweight championship on October 12, 2002.

On his first defense of that title, which was held in his homeland, Kaovichit escaped with a narrow split decision against Hiroyuki Hisataka on May 26, 2009.

Kaovichit won his second title defense on October 6, 2009 by a majority decision over Daiki Kameda.

Boxing record for Denkaosan Kaovichit from BoxRec (registration required)