Philip IV, Count of Waldeck | |
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| Tenure | 28 May 1513 - 30 November 1574 (Co-ruler Samuel: 8 October 1554 - 6 January 1570) |
| Predecessor | Henry VIII |
| Successor | Daniel |
| Born | 1493 Friedrichstein Castle, Alt-Wildungen, Amt Wildungen, County of Waldeck, Holy Roman Empire |
| Died | 30 November 1574 Waldeck Castle in Waldeck, County of Waldeck, Holy Roman Empire |
| Noble family | House of Waldeck |
| Spouse(s) | Margaret of East Frisia Catherine of Hatzfeld Jutta of Isenburg-Grenzau |
| Father | Henry VIII, Count of Waldeck |
| Mother | Anastasia of Runkel |
Count Philip IV of Waldeck (1493 – 30 November 1574) was Count of Waldeck-Wildungen from 1513 to 1574. In 1526, he and his uncle Philip III of Waldeck-Eisenberg led the Lutheran Reformation in the county of Waldeck.