List of highways numbered 399
# List of highways numbered 399

The following highways are numbered 399:

## Canada

* Manitoba Provincial Road 399
* Quebec Route 399

## Japan

* Japan National Route 399

## United States

* U.S. Route 399 (former)
* Arkansas Highway 399
* Florida State Road 399
* Louisiana Highway 399
* Nevada State Route 399
* New York State Route 399
* Tennessee State Route 399
* Texas State Highway Spur 399
* Virginia State Route 399

| Preceded by 398 | Lists of highways 399 | Succeeded by 400 |
| - | - | - |
