Dr Karel Janoušek, KCB (30 October 1893 – 27 October 1971) was a senior Czechoslovak Air Force officer. He began his career as a soldier, serving in the Austrian Imperial-Royal Landwehr 1915–16, Czechoslovak Legion 1916–20 and Czechoslovak Army 1920–24. In 1924 Janoušek transferred to the Czechoslovak Air Force and in 1926 he qualified as an aircraft pilot. In 1930 he co-wrote a textbook on aerial warfare tactics. In the 1930s he was a staff officer. From 1936 he studied meteorology and geophysics at the Charles University and in 1939 he was awarded a doctorate in natural sciences (RNDr).