Stupan from Ehrenstein
Stupan von Ehrenstein is a family name for the following people:
- Anton Maria Stupan von Ehrenstein († 1776), Austrian court official and politician
- Felix Matthäus Stupan von Ehrenstein (1743–1800), Austrian lawyer
- Ignaz Stupan von Ehrenstein (1780–1840), Austrian court official
- Johann Jakob Stupan von Ehrenstein (1664–1739), Austrian composer