| Améscoa Baja | |
| Official Name: | Améscoa Baja |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Navarre#Spain |
| Pushpin Map Caption: | Location of Améscoa Baja within Navarre##Location of Améscoa Baja within Spain |
| Pushpin Label Position: | top |
| Coordinates: | 42.7742°N -2.1328°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous Community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Navarre |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Estella Oriental |
| Leader Party: | AIAB |
| Leader Title: | Mayor |
| Leader Name: | Estíbaliz Erdocia Ormazabal |
| Area Total Km2: | 30.2 |
| Elevation M: | 563 |
| Elevation Footnotes: | (AMSL) |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 31272 |
| Area Code: | +34 948 |
Améscoa Baja (Basque: Ameskoabarrena) is a town and municipality located in the province and autonomous community of Navarre, northern Spain.