Alexander Konstantin Albrecht von Mensdorff-Pouilly, 1st Prince von Dietrichstein zu Nikolsburg was an Austrian general, diplomat and politician, including two years as Minister of Foreign Affairs (1864–66) and one month's service as Minister-President of Austria. He was a cousin of Queen Victoria of the United Kingdom of Great Britain and Ireland and a favorite cousin and childhood playmate of her husband Prince Albert of Saxe-Coburg and Gotha.
- Occupation
- politician, military officer, civil servant, statesperson
- Position held
- foreign minister of Austrian Empire, Member of the House of Lords (Austria)
- Citizenship
- Austrian Empire
- Born
- August 4, 1813
- Died
- February 14, 1871