| Type: | Ortsteil |
| Town: | Plaue |
| Coordinates: | 50.7456°N 10.8881°W |
| State: | Thüringen |
| District: | Ilm-Kreis |
| Elevation: | 400 |
| Area: | 4.49 |
| Population: | 214 |
| Stand: | 2017-12-31 |
| Postal Code: | 99338 |
| Area Code: | 036207 |
| Licence: | IK |
| Website: | www.neusiss.de |
Neusiß is a village and a former municipality in the district Ilm-Kreis, in Thuringia, Germany. Since 1 January 2019, it is part of the town Plaue.