Countess Marie Aglaë Bonaventura Theresia Kinsky von Wchinitz und Tettau (14 April 1940 – 21 August 2021) was Princess of Liechtenstein from 13 November 1989 until her death in 2021 as the wife of Prince Hans-Adam II.

[1] They had four children and fifteen grandchildren:[6] Princess Marie was involved in many organizations within Liechtenstein, with her focus being on education, culture and the arts.

[20] Under her presidency, in addition to its domestic activities, the Liechtenstein Red Cross contributed to foreign aid, especially during the Yugoslav wars in the 1990s.

[1] In 1968, after Warsaw Pact invasion of Czechoslovakia, Princess Marie became one of the signatories of a protest telegram to the Soviet Union Embassy in Bern titled "Freedom for ČSSR".

[19][4] In 1970s, Princess Marie became the patron and member of the board of Liechtensteinische Gesellschaft für Umweltschutz (LGU), Liechtenstein's society for environmental protection.

[22] She also chaired the honorary committee of the Internationalen Meisterkurse, which held in Vaduz every year since 1970 as a further education and concert platform for music students from all over the world.