List of highways numbered 661
# List of highways numbered 661

The following highways are numbered 661:

## Canada

* Highway 661

## United States

* LA 661
* MD 661 (former)
* SR 661
* PR-661
* FM 661
* SR 661

| Preceded by 660 | Lists of highways 661 | Succeeded by 662 |
| - | - | - |
