Kasimir Anton von Sickingen or Casimir Anton von Sickingen Reichsfreiherr von und zu Hohenburg was a German Roman Catholic prelate who from 1743 to 1750 was prince-bishop of Constance.
- Occupation
- Catholic priest, Catholic bishop
- Position held
- Prince-Bishop, Roman Catholic Bishop of Constance
- Citizenship
- Germany
- Born
- June 16, 1684, June 14, 1684
- Died
- August 29, 1750
