| Country: | SCT |
| Type: | A |
| Route: | 921 |
| Header Type: | minor |
| Image Notes: | The A921 in Aberdour |
| Length Mi: | 16.0 |
| Length Ref: | [1] |
| Direction A: | west |
| Terminus A: | Inverkeithing |
| Direction B: | east |
| Terminus B: | Kirkcaldy |
The A921 road is a road that connects Kirkcaldy with the M90 motorway in Fife, Scotland. Before 1990, the road was classed as the A92.