| Country: | IRN |
| Type: | road |
| Route: | 73 |
| Terminus A: | Incheh Borun, Golestan Turkmenistan |
| Terminus B: | Gorgan, Golestan |
| Length Km: | 75 |
| Provinces: | Golestan |
| Cities: | Aq Qala, Golestan |
| Map Custom: | yes |
Road 73 is a road in Golestan Province of northern Iran.[1] It connects the Turkmenistan border crossing to Aq Qala and Gorgan in Golestan Province.
This road is part of Asian Highway, signed AH70.