Duke John Albert of Mecklenburg was a member of the House of Mecklenburg-Schwerin who served as the regent of two states of the German Empire. He was first regent of the Grand Duchy of Mecklenburg-Schwerin from 1897 to 1901 for his nephew Frederick Francis IV, Grand Duke of Mecklenburg, and thereafter regent of the Duchy of Brunswick from 1907 to 1913.
- Occupation
- explorer, regent, Prince regent
- Position held
- regent
- Citizenship
- Germany
- Born
- December 8, 1857