Eleonora Czartoryska (1710–1795) was a Polish princess, born Countess von Waldstein-Wartenberg. She was the ruler of the city of Radzymin from 1770 to 1790, where she built a palace and a park, commissioned a church designed by Jan Chrystian Kamsetzer and wrote a unique collection of laws on the city's governmental principles. She was married to Michał Fryderyk Czartoryski who became the Grand Chancellor of Lithuania.
- Occupation
- politician
- Citizenship
- Polish–Lithuanian Commonwealth
- Born
- April 12, 1710
- Died
- 1795
