| Type: | Ortsteil |
| Town: | Kaltennordheim |
| Image Coa: | Wappen Kaltensundheim.svg |
| Coordinates: | 50.6167°N 20°W |
| State: | Thüringen |
| District: | Schmalkalden-Meiningen |
| Elevation: | 460 |
| Area: | 11.78 |
| Population: | 795 |
| Stand: | 2017-12-31 |
| Postal Code: | 98634 |
| Area Code: | 036946 |
| Website: | www.kaltensundheim.info |
Kaltensundheim is a village and a former municipality in the district Schmalkalden-Meiningen, in Thuringia, Germany. Since 1 January 2019, it is part of the town Kaltennordheim.