| Lupoglav | |
| Other Name: | Lupogliano |
| Settlement Type: | Municipality |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | bottom |
| Coordinates: | 45.3631°N 14.1039°W |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Type2: | Municipality |
| Leader Title: | Mayor |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 91.6 |
| Area Urban Km2: | 9.4 |
| Population As Of: | 2021 |
| Population Total: | 836 |
| Population Density Km2: | auto |
| Population Urban: | 298 |
| Population Density Urban Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Area Code: | 052 |
Lupoglav (Italian: Lupogliano) is a village and municipality in Istria, Croatia.
The Lupoglav Municipality is situated on the northeast of the Istrian Region. To the east it borders with the Primorsko-Goranska County and with the Istrian municipalities of Lanišće and Cerovlje and the City of Buzet. The municipality is crossed by the arterial roads that connect the Istrian region with the rest of Croatia – the Istrian Y and the tunnel of Učka. The municipality has a surface area of 92.19 km2, i.e. it accounts for 3.27% of the territory of the Istrian Region.
The Castle Mahrenfels which belonged to the family Herberstein and later to the counts Brigido is situated over the village.
According to the 2021 census, its population was 836, with 298 living in the village proper. The village population was 288 in 2011, with a total of 924 in the municipality (2011).
The settlements in the municipality are as follows: