William I of Isenburg-Braunsberg (German: Wilhelm I. von Isenburg-Braunsberg) was the Count of Isenburg-Braunsberg from 1327 until 1383. In 1338 William was raised to an Imperial Count.
| width=150px | Preceded by: | width=200px | William I | width=150px | Succeeded by: |
|---|---|---|---|---|---|
| John I | Count of Isenburg-Braunsberg 1327–1383 | William II | |||