Igor Valentinovitch Tkachenko (Russian: ?????? ????????????? ?????????, July 26, 1964 — August 16, 2009) was a Russian military pilot with the rank of Colonel, Russian Knights group leader, Kubinka Airbase Chief of the 237th Guards Aviation Showing Center of the Russian Air Force. He was killed in a mid-air collision whilst practicing for the 2009 MAKS Airshow.