Eiderkanal is an Amt ("collective municipality") in the district of Rendsburg-Eckernförde, in Schleswig-Holstein, Germany. It is situated on the Kiel Canal, approx. 2 km southeast of Rendsburg. The seat of the Amt is in Osterrönfeld. It is named after the old Eider Canal, whose western terminus was at Rendsburg.

The Amt consists of the following municipalities:

1. Bovenau
2. Haßmoor
3. Ostenfeld
4. Osterrönfeld
5. Rade bei Rendsburg
6. Schacht-Audorf
7. Schülldorf

• Eider Canal
• Amt Osterrönfeld