| Skeiða- og Gnúpverjahreppur | |
| Settlement Type: | Municipality |
| Mapsize: | 250px |
| Pushpin Map: | Iceland |
| Coordinates: | 64.4806°N -19.1972°W |
| Subdivision Type: | Country |
| Subdivision Name: | Iceland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southern Region |
| Subdivision Type2: | Constituency |
| Subdivision Name2: | South Constituency |
| Leader Title1: | Manager |
| Leader Name1: | Kristófer Tómasson |
| Unit Pref: | Metric |
| Area Total Km2: | 2,231 |
| Population Total: | 530 |
| Population Density Km2: | 0.24 |
| Code1 Name: | Municipal number |
| Code1 Info: | 8720 |
Skeiða- og Gnúpverjahreppur (pronounced as /is/) is a small municipality in south-central Iceland.