| Image Coa: | Wappen Gemeinde Boerdeaue.png |
| Coordinates: | 51.9333°N 41°W |
| Image Plan: | Bördeaue in SLK.png |
| State: | Sachsen-Anhalt |
| District: | Salzlandkreis |
| Verbandsgemeinde: | Egelner Mulde |
| Elevation: | 67 |
| Area: | 25.4 |
| Postal Code: | 39435 |
| Area Code: | 039263, 039268 |
| Licence: | SLK |
| Gemeindeschlüssel: | 15 0 89 041 |
| Website: | www.egelnermulde.de |
| Mayor: | Peter Fries[1] |
| Leader Term: | 2023 - 30 |
Bördeaue is a municipality in the district of Salzlandkreis, in Saxony-Anhalt, Germany. It was formed on 1 January 2010 by the merger of the former municipalities Unseburg and Tarthun.[2]