| Official Name: | Grästorp, Sweden |
| Pushpin Map: | Sweden Västra Götaland#Sweden |
| Subdivision Type: | Country |
| Subdivision Name: | Sweden |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Grästorp Municipality |
| Subdivision Type2: | County |
| Subdivision Name2: | Västra Götaland County |
| Subdivision Type1: | Province |
| Subdivision Name1: | Västergötland |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.25 |
| Population As Of: | 31 December 2010 |
| Population Total: | 2,969 |
| Population Density Km2: | 1321 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 58.3319°N 12.6811°W |
Grästorp is a locality and the seat of Grästorp Municipality in Västra Götaland County, Sweden. It had 2,969 inhabitants in 2010. It is the only locality in Grästorp Municipality.
The following sports clubs are located in Grästorp: