| Country: | DEU |
| Type: | B |
| Route: | 231 |
| Map: | B231_Verlauf.svg |
| Length Km: | 11 |
| Direction A: | North |
| Terminus A: | Duisburg |
| Direction B: | South |
| Terminus B: | Essen |
| States: | North Rhine-Westphalia |
The Bundesstraße 231 or B 231 is a German federal highway in North Rhine-Westphalia.
The B 231 runs from Oberhausen, near CentrO. through the Essen district Borbeck and ends in the Essen Westviertel, leads ahead to the inner city.
Until the year-end 2006, the route led to Duisburg. The formerly part between Duisburg-Wanheimerort (Grunewald) via Duisburg-Dümpten and Oberhausen-Alstaden to the current starting point has been downgraded to a road (in German: Landstraße) and now it has been renamed to Landstraße 1 (shortcut: L 1). The part between Frintrop and the Westviertel has a tram connection (Line 105) within.