| Country: | TUR |
| Type: | D |
| Route: | 080 |
| Map: | D 080 harita.svg |
| Length Km: | 295 |
| Direction A: | West |
| Terminus A: | in Horasan, Erzurum, Turkey |
| Direction B: | East |
| Terminus B: | at the Azerbaijani border near Dilucu, Iğdır, Turkey |
D.080 is a 295km (183miles) long state highway running from Horasan, Erzurum Province to Turkey's border with Azerbaijan near Dilucu. The route connects to Azerbaijan, via the Nakhchivan Autonomous Republic, and is the only crossing between the two countries. The route is mostly a non-divided, four-lane highway.