| Type: | Ortschaft |
| Municipality: | Nesse-Apfelstädt |
| Image Coa: | Wappen Neudietendorf.png |
| State: | Thüringen |
| District: | Gotha |
| Area: | 6.66 |
| Elevation: | 242 |
| Population: | 2181 |
| Population As Of: | 2009 |
| Area Code: | 036202 |
| Postal Code: | 99192 |
| Website: | nesse-apfelstaedt.de |
| Image Plan: | NA Neudietendorf.png |
| Plantext: | Neudietendorf within Nesse-Apfelstädt |
| Coordinates: | 50.9125°N 10.9133°W |
| Year Of First Mention: | 1147 |
Neudietendorf (New Dietendorf) is a village and a former municipality in the district of Gotha, in Thuringia, central Germany. Since 1 December 2009, it has been part of the municipality Nesse-Apfelstädt, of which it is an Ortschaft. The former municipality also contained the village and current Ortschaft Kornhochheim.[1] Since the concession signed by Duke Friedrich III on 27 March 1764, it has been the seat of a congregation of the Moravian Church (Moravian Brethren, Herrnhuter Brüdergemeine) who established well-known industries and schools in their settlement.