| Official Name: | Kašinska Sopnica |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | right |
| Coordinates: | 45.9128°N 16.1197°W |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | City of Zagreb |
| Subdivision Type2: | City District |
| Subdivision Name2: | Sesvete |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.1 |
| Elevation M: | 242 |
| Population As Of: | 2021 |
| Population Total: | 187 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Kašinska Sopnica is a village in Croatia. It is formally a settlement (naselje) of Zagreb, the capital of Croatia.
According to the 2021 census, its population was 187. According to the 2011 census, it had 245 inhabitants.