| Poggio Primocaso | |
| Settlement Type: | Frazione |
| Pushpin Map: | Italy |
| Coordinates: | 42.7519°N 12.9892°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Italy |
| Subdivision Type1: | Region |
| Subdivision Name1: | Umbria |
| Subdivision Type2: | Province |
| Subdivision Name2: | Perugia |
| Subdivision Type3: | Italian: [[Comune]] |
| Subdivision Name3: | Cascia |
| Elevation Footnotes: | [1] |
| Elevation M: | 831 |
| Population Total: | 74 |
| Population As Of: | 2001 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postcode |
| Postal Code: | 06043 |
| Area Code: | 0743 |
Poggio Primocaso is a frazione of the comune of Cascia in the Province of Perugia, Umbria, central Italy. It stands at an elevation of 831 metres above sea level. At the time of the Istat census of 2001 it had 74 inhabitants.