Johann Philipp, Duke of Saxe-Altenburg
| Johann Philipp | |
|---|---|
| Duke of Saxe-Altenburg | |
| Reign | 1603–1639 |
| Predecessor | Johann |
| Successor | Friedrich Wilhelm II |
| Born | 25 January 1597 Torgau |
| Died | 1 April 1639 (aged 42) Altenburg |
| Spouse | |
| Issue | Elisabeth Sophie, Duchess of Saxe-Gotha-Altenburg |
| House | House of Wettin |
| Father | Friedrich Wilhelm I, Duke of Saxe-Weimar |
| Mother | Anna Maria of the Palatinate-Neuburg |
| Religion | Lutheran |
Johann Philipp (25 January 1597 – 1 April 1639), was a duke of Saxe-Altenburg.
He was born in Torgau, the eldest (but fourth in order of birth) surviving son of Friedrich Wilhelm I, Duke of Saxe-Weimar and Anna Maria of the Palatinate-Neuburg, his second wife.