Friedrich Wilhelm I, Duke of Saxe-Weimar
| Friedrich Wilhelm I | |
|---|---|
| Duke of Saxe-Weimar | |
| Reign | 2 March 1573 - 7 July 1602 |
| Predecessor | Johann Wilhelm |
| Successor | Johann II |
| Regent | Elector Augustus |
| Born | 25 April 1562 Weimar |
| Died | 7 July 1602 (aged 40) Weimar |
| Spouse | Sophie of Württemberg Anna Maria of the Palatinate-Neuburg |
| Issue among others... | Dorothea Sophia, Princess-Abbess of Quedlinburg Johann Philipp, Duke of Saxe-Altenburg Friedrich, Duke of Saxe-Altenburg Johann Wilhelm, Duke of Saxe-Altenburg Dorothea, Duchess of Saxe-Eisenach Friedrich Wilhelm II, Duke of Saxe-Altenburg |
| House | House of Wettin |
| Father | Johann Wilhelm, Duke of Saxe-Weimar |
| Mother | Dorothea Susanne of Simmern |
| Religion | Lutheran |
Friedrich Wilhelm I (25 April 1562 in Weimar – 7 July 1602 in Weimar) was a duke of Saxe-Weimar. He was the eldest son of Johann Wilhelm, Duke of Saxe-Weimar and Dorothea Susanne of Simmern.