Frederick I
Count Palatine of Simmern
Born	19 November 1417
Died	29 November 1480(1480-11-29) (aged 63) Simmern
Buried	Abbey of Ravengiersburg
Noble family	Wittelsbach
Spouse(s)	Margaret of Guelders
Issue Detail	John I Rupert
Father	Stephen, Count Palatine of Simmern-Zweibrücken
Mother	Anna of Veldenz

Frederick I, the Hunsrücker (German: Friedrich I.; 19 November 1417 – 29 November 1480) was the Count Palatine of Simmern from 1459 until 1480.

Frederick was born in 1417 to Stephen, Count Palatine of Simmern-Zweibrücken and his wife, Anna of Veldenz. In 1444 his father partitioned his territories between Frederick and his younger brother Louis. Frederick married Margaret of Guelders, daughter of Duke Arnold, on 16 August 1454. Frederick died in Simmern in 1480 and was buried in the Augustinian Abbey of Ravengiersburg.

With Margaret (1436 – 15 August 1486), daughter of Arnold, Duke of Guelders:

1. Katherine of Palatinate-Simmern (1455 – 28 December 1522), Abbess in the St Klara monastery in Trier
2. Stephen (25 February 1457 – 1488/9) Canon in Strasbourg, Mainz and Cologne
3. William (2 January 1458 – 1458)
4. John I (15 May 1459 – 27 January 1509)
5. Frederick (10 April 1460 – 22 November 1518) Canon in Cologne, Speyer, Trier, Mainz, Magdeburg and Strasbourg
6. Rupert (16 October 1461 – 19 April 1507), bishop of Regensburg.
7. Anne (30 July 1465 – 15 July 1517) Nun in Trier
8. Margaret (2 December 1466 – August 1506) Nun in Trier
9. Helene (1467 – 21 February 1555) Prioress in the St. Agnes monastery in Trier
10. William (20 April 1468 – 1481) Canon in Trier