| Buckener Au | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Schleswig-Holstein |
| Subdivision Type3: | Reference no. |
| Subdivision Name3: | DE: 59764 |
| Length: | 4 km |
| Source1 Location: | Southwest of Hohenwestedt |
| Mouth Location: | Confluence: near Innien with the Fuhlenau to form the Bünzau |
| Custom Label: | References |
The Buckener Au (pronounced as /de/) is a headstream of the Bünzau in the north German state of Schleswig-Holstein. It is roughly long. The Buckener Au rises southwest of Hohenwestedt. Near Innien it unites with the Fuhlenau forming the Bünzau.
Heck cattle are grazed in the valley of the Au near Aukrug-Homfeld.