Vermont Route 3 (VT 3) is a 7.828-mile-long (12.598 km) north–south state highway in Rutland County, Vermont, United States.

It runs from the town of Rutland to Pittsford.

The route heads north, paralleling U.S. Route 7 (located 3 miles (5 km) to the west) north into Proctor, where it goes past the site of the Vermont Marble Museum.

In the center of the community of Proctor, VT 3 turns to the northeast, crossing into Pittsford and gradually becoming closer to US 7 before terminating at the route southeast of the community of Pittsford.

The entire route is in Rutland County.