| Frederick, Landgrave of Hesse-Philippsthal-Barchfeld | |
| House: | House of Hesse |
| Father: | William, Landgrave of Hesse-Philippsthal-Barchfeld |
| Mother: | Charlotte Wilhelmine of Anhalt-Bernberg-Hoyn |
| Spouse: | Wild- and Rhinegravine Sophia Henrietta of Salm-Grunbach |
| Birth Date: | 1727 |
| Birth Place: | Grave |
| Death Date: | 1777 |
| Death Place: | Barchfeld |
Landgrave Frederick of Hesse-Philippsthal-Barchfeld (1727 in Grave - 1777 in Barchfeld) was the oldest son of Landgrave William of Hesse-Philippsthal-Barchfeld and his wife, Charlotte Wilhelmine of Anhalt-Bernberg-Hoyn. He succeeded his father as Landgrave of Hesse-Philippsthal-Barchfeld in 1761.
In 1772, he married Wild- and Rhinegravine Sophia Henrietta of Salm-Grunbach (1740-1800). The marriage remained childless. Frederick died in 1777 and was succeeded by his brother Adolph.