Henry III, Count of Schauenburg-Holstein | |
|---|---|
 Seal of Henry III, dated 1402 | |
| Died | February 1421 Bordesholm |
| Noble family | House of Schauenburg |
| Father | Henry II, Count of Holstein-Rendsburg |
| Mother | Ingeborg of Mecklenburg-Schwerin |
Henry III, Count of Schauenburg-Holstein (d. February 1421 in Bordesholm) was Bishop of Osnabrück as Henry I from 1402 to 1410, and also Count of Holstein-Rendsburg from 1404 until his death.
He was the youngest son of Henry II and his second wife Ingeborg of Mecklenburg-Schwerin.