| Country: | SCT |
| Type: | A |
| Route: | 81 |
| Map Custom: | yes |
| Header Type: | minor |
| Length Mi: | 30 |
| Direction A: | North |
| Terminus A: | at Callander |
| Direction B: | South |
| Terminus B: | at Glasgow |
| Destinations: | Callander, Glasgow |
| Previous Type: | A |
| Previous Route: | 80 |
| Next Type: | A |
| Next Route: | 82 |
The A81 road is a major road in Scotland. It runs from Glasgow to Callander via Woodside and Maryhill within the city, as well as Bearsden, Milngavie and Strathblane, a total of 30miles.
The A81 has been ranked among the five most dangerous roads in Scotland based on serious and fatal accidents between 2007 and 2009, in proportion to volume of traffic.[1]