| Official Name: | Abaurrepea/Abaurrea Baja |
| Nickname: | Abaurrea Baja |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous Community |
| Subdivision Type2: | Comarca |
| Subdivision Name: | Spain |
| Subdivision Name1: | Navarre |
| Subdivision Name2: | Aunamendi |
| Leader Title: | Mayoress |
| Leader Name: | Juan José Salón Arocena |
| Area Total Km2: | 10.89 |
| Population As Of: | 2023 |
| Population Total: | 29 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Elevation M: | 855 |
Abaurrepea/Abaurrea Baja (Abaurrepea is the Basque name, Abaurrea Baja the Spanish; both are recognised officially) is a municipality located in the province and autonomous community of Navarre (Spanish: Navarra), northern Spain. It is situated approximately 67 km from the provincial capital, Pamplona. As of 2005 INE figures, the municipality has a population of c. 41 inhabitants.
Abaurrepea/Abaurrea Baja has an area of 11.1 km², and a median elevation above mean sea level of 855 m.[1]