Vermont Route 73 (VT 73) is a 36.674-mile-long (59.021 km) east–west state highway in central Vermont, United States.

The route runs through parts of Addison, Rutland, and Windsor counties.

Route 73 begins at an intersection with Route 74, approximately 0.6 miles (0.97 km) east of the Ticonderoga–Larrabees Point Ferry to New York.

Route 73 briefly overlaps US 7 before splitting off to the northeast.

The highway continues into the village of Forestdale (still in Brandon) where it meets the southern terminus of Route 53.