| Maximilian I Joseph | |||||
|---|---|---|---|---|---|
 Portrait by Joseph Stieler, 1822 | |||||
| King of Bavaria | |||||
| Reign | 1 January 1806 – 13 October 1825 | ||||
| Successor | Ludwig I | ||||
| Elector of Bavaria | |||||
| Reign | 16 February 1799 – 6 August 1806 | ||||
| Predecessor | Charles Theodore | ||||
| Count Palatine of the Rhine | |||||
| Reign | 16 February 1799 – 1 January 1806 | ||||
| Predecessor | Charles Theodore | ||||
| Duke of Zweibrücken | |||||
| Reign | 1 April 1795 – 1 January 1806 | ||||
| Predecessor | Charles II August | ||||
| Born | 28 May 1756 Schwetzingen, Heidelberg-Kreis, Electoral Palatinate | ||||
| Died | 13 October 1825 (aged 69) Munich, Kingdom of Bavaria | ||||
| Burial | Theatinerkirche, Munich | ||||
| Spouse | |||||
| Issue | |||||
| |||||
| House | Palatinate-Zweibrücken-Birkenfeld | ||||
| Father | Frederick Michael, Count Palatine of Zweibrücken | ||||
| Mother | Countess Palatine Maria Franziska of Sulzbach | ||||
| Religion | Roman Catholicism | ||||
| Signature |  | ||||
Maximilian I Joseph (German: Maximilian I. Joseph; 27 May 1756 – 13 October 1825) was Duke of Zweibrücken from 1795 to 1799, prince-elector of Bavaria (as Maximilian IV Joseph) from 1799 to 1806, then King of Bavaria (as Maximilian I Joseph) from 1806 to 1825. He was a member of the House of Palatinate-Birkenfeld-Zweibrücken, a branch of the House of Wittelsbach.