| Official Name: | Frolosh |
| Native Name: | Фролош |
| Settlement Type: | Village |
| Pushpin Map: | Bulgaria |
| Pushpin Relief: | 1 |
| Pushpin Label Position: | Location in Bulgaria |
| Subdivision Name: |  Bulgaria |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kyustendil Province |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Kocherinovo |
| Area Total Km2: | 52.094 |
| Population As Of: | 2013 |
| Population Total: | 120 |
| Population Footnotes: | [1] |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Elevation M: | 816 |
| Postal Code: | 2682 |
| Coordinates: | 42.1167°N 75°W |
Frolosh (Bulgarian: Фролош) is a village in Kocherinovo Municipality, Kyustendil Province, south-western Bulgaria. As of 2013 it has 120 inhabitants.[1] It is situated in the picturesque northern section of the Vlahina mountain range with views to Bulgaria's highest mountain range Rila and the village of Mursalevo to the west.[1]
Frolosh Point on the coast of the Anvers Island in Antarctica is named after the village.[1] [2]