| Søndre Folgefonna | |
| Other Name: | Southern Folgefonna |
| Map: | Vestland#Norway |
| Location: | Vestland, Norway |
| Coordinates: | 60°N 26°W |
| Area: | 168km2 |
Søndre Folgefonna (English: Southern Folgefonna) is the third largest glacier in mainland Norway, and is the largest of the three glaciers constituting Folgefonna. The glacier is located at the base of the Folgefonna peninsula in Vestland county in the border of the municipalities of Ullensvang, Etne, and Kvinnherad. The highest point on the glacier is 16600NaN0 above sea level and its lowest point is 4900NaN0 above sea level.[1] The glacier is located inside Folgefonna National Park.