| Ostrá | |
| Etymology: | sharp in Slovak |
| Location: | Martin, Žilina, Slovakia |
| Range: | Greater Fatra |
| Elevation M: | 1247 |
| Coordinates: | 48.9189°N 18.9667°W |
| Type: | limestone |
| Map: | Slovakia |
Ostrá (meaning Sharp in Slovak) is a mountain in the Greater Fatra Range of Slovakia measuring 12471NaN1. It has two very rugged summits with an excellent view over the Turiec Valley and the opposite Tlstá Mountain.