There is a plaque in memory of Janoušek in Ulice Železné lávky in the Prague 1 district.
A street in the Černý Most suburb of Prague is named "Generála Janouška" after him.
In 2011 a European Military Rehabilitation Centre and Air Marshal Karel Janoušek Museum were established at Jemnice in Moravia.
In the Czech Republic there is a General Janoušek Flying Club, which in October 2013 took part in commemorations of the 120th anniversary of Janoušek's birth.

In 2014 Janoušek's remains were exhumed from the Libeň Cemetery in Prague and on 12 May they were reinterred in the Šárka Cemetery.
There is a plaque in memory of Janoušek in Ulice Železné lávky in the Prague 1 district. A street in the Černý Most suburb of Prague is named "Generála Janouška" after him. In 2011 a European Military Rehabilitation Centre and Air Marshal Karel Janoušek Museum were established at Jemnice in Moravia. In the Czech Republic there is a General Janoušek Flying Club, which in October 2013 took part in commemorations of the 120th anniversary of Janoušek's birth.
In 2014 Janoušek's remains were exhumed from the Libeň Cemetery in Prague and on 12 May they were reinterred in the Šárka Cemetery.
Karel Janoušek