| Effelder | |
| Image Coa: | Wappen Effelder (Eichsfeld).png |
| Coordinates: | 51.2392°N 10.2467°W |
| Image Plan: | Effelder in EIC.svg |
| State: | Thüringen |
| District: | Eichsfeld |
| Verwaltungsgemeinschaft: | Westerwald-Obereichsfeld |
| Elevation: | 470 |
| Area: | 10.92 |
| Postal Code: | 37359 |
| Area Code: | 036075 |
| Licence: | EIC |
| Gemeindeschlüssel: | 16 0 61 027 |
| Website: | www.westerwald-obereichsfeld.de |
| Mayor: | Hans-Werner Lange[1] |
| Leader Term: | 2022 - 28 |
Effelder is a municipality in the district of Eichsfeld in Thuringia, Germany. It is located in the center of the country.