Eustachy Kajetan Sapieha was a Polish nobleman, prince of the Sapieha family, politician, Polish Minister of Foreign Affairs, and deputy to the Polish parliament (Sejm).
- Occupation
- diplomat, politician, foreign minister
- Position held
- ambassador, Minister of Foreign Affairs of Poland
- Citizenship
- Austria–Hungary, Second Polish Republic
- Born
- August 2, 1881
- Died
- February 20, 1963