Back ماكسيمليان الثالث، ناخب بافاريا Arabic ماكسيمليان الثالث ARZ III Maksimilian İosif (Bavariya kürfürstü) Azerbaijani اۆچونجو ماکسیمیلیان یوزف AZB Максимилиан III Йозеф (Бавария) Bulgarian Maximilià III Josep de Baviera Catalan Maxmilián III. Josef Czech Maximilian 3. Joseph af Bayern Danish Maximilian III. Joseph German Μαξιμιλιανός Γ΄ Ιωσήφ της Βαυαρίας Greek
| Maximilian III Joseph | |
|---|---|
 Portrait by Georg Desmarées | |
| Elector of Bavaria | |
| Reign | 20 January 1745 – 30 December 1777 |
| Predecessor | Charles Albert |
| Successor | Charles Theodore |
| Born | 28 March 1727 Munich, Electorate of Bavaria, Holy Roman Empire |
| Died | 30 December 1777 (aged 50) Munich, Electorate of Bavaria, Holy Roman Empire |
| Burial | |
| Spouse | |
| House | Wittelsbach |
| Father | Charles VII, Holy Roman Emperor |
| Mother | Maria Amalia of Austria |
| Religion | Roman Catholicism |
| Signature |  |
Maximilian III Joseph, "the much beloved" (28 March 1727 – 30 December 1777), was a Prince-elector of the Holy Roman Empire and Duke of Bavaria from 1745 to 1777. He was the last of the Bavarian branch of the House of Wittelsbach and because of his death, the War of Bavarian Succession broke out.