| Type: | Ortsteil |
| Town: | Großbreitenbach |
| Image Coa: | Wappen_Gillersdorf.PNG |
| Coordinates: | 50.6064°N 11.0169°W |
| State: | Thüringen |
| District: | Ilm-Kreis |
| Elevation: | 660 |
| Area: | 3.84 |
| Population: | 244 |
| Stand: | 2017-12-31 |
| Postal Code: | 98701 |
| Area Code: | 036781 |
| Licence: | IK |
Gillersdorf is a village and a former municipality of the Ilm-Kreis district, in Thuringia, Germany. Since 1 January 2019, it has been part of the Großbreitenbach town.