| Beinn Mhòr or Geitaval | |
| Elevation M: | 620 |
| Elevation Ref: | [1] |
| Prominence M: | 620 |
| Listing: | Graham, Marilyn |
| Translation: | Big mountain |
| Language: | Gaelic |
| Pronunciation: | in Gaelic; Scottish Gaelic peɲ ˈvoːɾ/ |
| Location: | South Uist, Outer Hebrides, Scotland |
| Grid Ref Uk: | NF809310 |
| Map: | Scotland Outer Hebrides |
| Coordinates: | 57.2585°N -7.2949°W |
Beinn Mhòr is a mountain on the island of South Uist in the Outer Hebrides of Scotland. With a height of 620m (2,030feet), it is the highest point on the island. The name Beinn Mhòr is Gaelic for "big mountain". The correct name for the mountain in Gaelic is Gèideabhal.