| Limburg-Styrum-Iller-Aichheim | |
| 1657 – 1800 | |
| 'Capital Circle Bench |
Iller-Aichheim Lower Rhenish-West. Counts of Westphalia |
| Partitioned from Limburg-Styrum-Gemen | 1657 |
| Inherited Gemen | 1782 |
| Extinct; to Boyneburg-Bömelberg | 1800 |
Limburg-Styrum-Iller-Aichheim was a County of medieval Germany, based in the Lordship of Iller-Aichheim. It was partitioned from Limburg-Styrum-Gemen in 1657. When the line of Limburg-Styrum-Gemen became extinct in 1782 the Counts of Limburg-Styrum-Iller-Aichheim inherited it and the Imperial Estate of Gemen. However, when in 1800 this line became extinct, it was inherited by Boyneburg-Bömelberg instead of Limburg-Styrum-Styrum.