| State: | WY |
| Type: | WY |
| Route: | 73 |
| Alternate Name: | Bairoil Road |
| Map Custom: | yes |
| Map Notes: | WYO 73 highlighted in red |
| Length Mi: | 4.64 |
| Length Round: | 2 |
| Direction A: | West |
| Terminus A: | Antelope Drive in Bairoil |
| Direction B: | East |
| Terminus B: | in Lamont |
| Counties: | Carbon, Sweetwater |
| Previous Type: | WY |
| Previous Route: | 72 |
| Next Type: | WY |
| Next Route: | 74 |
Wyoming Highway 73 (WYO 73) is a 4.64miles long east–west Wyoming state highway that runs from northwestern Carbon County to northeastern Sweetwater County. Highway 73 provides access to the town of Bairoil.
Wyoming Highway 73 begins its west end at the city limits for Bairoil, in Sweetwater County, just east of an intersection with Bairoil Dr.From there Highway 73 travels east into Carbon County and terminates at U.S. Route 287 and Highway 789 in Lamont.