| Official Name: | Ingeniero Foster |
| Settlement Type: | Rural locality and village |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Name1: | La Pampa Province |
| Subdivision Type2: | Department |
| Subdivision Name2: | Rancul Department |
| Established Title: | Foundation |
| Established Date: | 20 September 1910 |
| Area Total Km2: | 525 |
| Population As Of: | 2010 |
| Population Total: | 52 |
| Timezone: | ART |
| Utc Offset: | -3 |
| Elevation M: | 292 |
| Postal Code: | 6385 |
| Area Code: | 02335 |
Ingeniero Foster is a village and rural locality (municipality) in the Rancul Department of La Pampa Province in Argentina.[1] The nearest towns are La Maruja and Arizona in San Luis Province.