| Country: | England |
| Coordinates: | 54.3768°N -1.364°W |
| Official Name: | West Harlsey |
| Unitary England: | North Yorkshire |
| Lieutenancy England: | North Yorkshire |
| Region: | Yorkshire and the Humber |
| Post Town: | NORTHALLERTON |
| Postcode District: | DL6 |
| Postcode Area: | DL |
| Os Grid Reference: | SE414981 |
West Harlsey is a hamlet and civil parish in the Hambleton district of North Yorkshire, England. The population as taken at the 2011 Census was less than 100. Details are included in the civil parish of Winton, Stank and Hallikeld. It is situated near the A19 road, 3 miles north east of Northallerton.