| Official Name: | Etxarri-Aranatz |
| Pushpin Map: | Spain Navarre#Spain |
| Pushpin Map Caption: | Location of Etxarri-Aranatz within Navarre##Location of Etxarri-Aranatz within Spain |
| Pushpin Label Position: | top |
| Coordinates: | 42.9111°N -2.07°W |
| Subdivision Type: | Country |
| Subdivision Name: | Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Navarra |
| Subdivision Type2: | Province |
| Leader Title: | Mayor |
| Leader Name: | Silvia Marañón Chasco |
| Area Total Km2: | 33 |
| Elevation M: | 509 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 31820 |
| Website: | www.etxarriaranatz.eus |
Etxarri-Aranatz (Spanish; Castilian: Echarri-Aranaz) is a town and municipality located in the province and autonomous community of Navarre, northern Spain. Etxarri-Aranatz was founded in 1312.
During the First Carlist War, it was occupied and fortified by Liberal troops. An attempt by Carlists to break in during the autumn of 1834 with the aim of capturing the artillery there failed.