John Adolphus of Schleswig-Holstein-Sonderburg-Plön was the second Duke of Schleswig-Holstein-Sonderburg-Plön, which had been created by a division of the Duchy of Schleswig-Holstein-Sonderburg.
- Occupation
- politician
- Citizenship
- Kingdom of Denmark
- Born
- April 8, 1634
- Died
- July 2, 1704
