| Adolf IV | |
|---|---|
| Count of Holstein | |
| Reign | 1227 - 1238 |
| Predecessor | Valdemar II of Denmark |
| Successor | Gerhard I John |
| Count of Schauenburg | |
| Reign | 1225 - 1238 |
| Predecessor | Adolf III |
| Successor | Gerhard I |
| Born | before 1205 |
| Died | 8 July 1261 the Franciscan Friary in Kiel |
| Spouse | Heilwig of Lippe |
| Issue | Mechtild, Queen of Denmark John I, Count of Holstein-Kiel Gerhard I, Count of Holstein-Itzehoe Ludolf |
| House | House of Schauenburg |
| Father | Adolf III, Count of Holstein |
| Mother | Adelheid of Querfurt |
Adolf IV (before 1205 – 8 July 1261) was a Count of Schauenburg (1225–1238) and of Holstein (1227–1238), of the House of Schaumburg. Adolf was the eldest son of Adolf III of Schauenburg and Holstein by his second wife, Adelheid of Querfurt.