| Country: | England |
| Coordinates: | 54.1714°N -1.0528°W |
| Official Name: | Grimstone |
| Static Image: | Viewly Hill Farm, Grimston - geograph.org.uk - 447194.jpg |
| Static Image Caption: | Farm in Grimston |
| Population: | 60 |
| Population Ref: | (2015 estimate) |
| Civil Parish: | Grimstone |
| Unitary England: | North Yorkshire |
| Lieutenancy England: | North Yorkshire |
| Region: | Yorkshire and the Humber |
| Constituency Westminster: | Thirsk and Malton |
| Post Town: | YORK |
| Postcode District: | YO62 |
| Postcode Area: | YO |
| Dial Code: | 01347 |
| Os Grid Reference: | SE 619 754 |
Grimstone or Grimston[1] is a hamlet and civil parish in North Yorkshire, England. It lies beside the main B1363 road between York and Helmsley. Grimston lies in the Howardian Hills just south of the North York Moors National Park and close to Ampleforth Abbey and College. In 2015 it had an estimated population of 60.[2]
Grimston is small, and is made up of around 14 households. Historically, it originates from an old manorial estate, and several of the buildings still hold related names: Grimston Manor, Grimston Manor Farm, Grimston Lodge, Grimston Cottage and Grimston Grange. Grimston was recorded in the Domesday Book as Grimeston.[3]