List of highways numbered 721
# List of highways numbered 721

The following highways are numbered 721:

## Costa Rica

* National Route 721

## United States

* Florida State Road 721 (former)
* Georgia State Route 721 (former)
* Nevada State Route 721 (former)
* New Jersey:
   * County Route 721 (Camden County, New Jersey)
   * County Route 721 (Cumberland County, New Jersey)
   * County Route 721 (Hudson County, New Jersey)
* Ohio State Route 721
* Puerto Rico Highway 721
* Virginia State Route 721 (1930-1933) (former)

| Preceded by 720 | Lists of highways 721 | Succeeded by 722 |
| - | - | - |
