Casimir Johannes Ludwig Otto, Prince of Sayn-Wittgenstein-Berleburg was a German nobleman, businessman and politician from the Christian Democratic Union. He was Member of the European Parliament from 1979 to 1983.
- Occupation
- politician
- Position held
- Member of the European Parliament
- Citizenship
- Germany
- Born
- January 22, 1917
- Died
- February 21, 2010