Adolphus Frederick I
| Adolf Frederick I | |
|---|---|
| Portrait by Daniel Blok | |
| Duke of Mecklenburg-Schwerin | |
| Reign | 22 March 1592 - 27 February 1658 (Deposed by Wallenstein 1628-1631) | 
| Predecessor | John VII | 
| Successor | Christian Louis I | 
| Born | 15 December 1588 Schwerin, Duchy of Mecklenburg-Schwerin, Holy Roman Empire | 
| Died | 27 February 1658 (aged 69) Schwerin, Duchy of Mecklenburg-Schwerin, Holy Roman Empire | 
| Spouse | Marie Katharina of Brunswick-Dannenberg  (m. 1635) | 
| Issue Detail | 
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| House | Mecklenburg | 
| Father | John VII, Duke of Mecklenburg-Schwerin | 
| Mother | Sophia of Holstein-Gottorp | 
Adolf Frederick I (German: Adolf Friedrich I; 15 December 1588 – 27 February 1658) was the reigning Duke of Mecklenburg-Schwerin from his father's death in 1592 until 1628 and again from 1631 to 1658. Between 1634 and 1648 Adolf Frederick also ruled the Prince-Bishopric of Schwerin as its administrator.