Mitsuko, Countess of Coudenhove-Kalergi (Mitsuko, Gräfin von Coudenhove-Kalergi; 7 July 1874 – 27 August 1941), formerly known as 青山みつ, was one of the first Japanese people to emigrate to Europe, after becoming the wife of an Austrian diplomat, Heinrich von Coudenhove-Kalergi, in Tokyo. She was the mother of Richard Nikolaus von Coudenh...