Iskar may refer to:
- Bulgaria
- Iskar River, a river in western Bulgaria
- Iskar Reservoir, situated on the Iskar River
- Iskar, Pleven Province = Iskar (town) (merge!), a town in the Iskar Municipality of the Pleven Province
- Iskar Municipality
- Iskar, Sofia, one of 24 municipalities in the Bulgaria's Sofia (city) province
- Iskar, Varna Province, a village in the Valchi Dol Municipality of Varna Province
- Iskar-panega Geopark
- Iskar Stadium, Samokov, Sofia Province
- Iskar Gorge
- Afghanistan
- Iskar, Afghanistan
- Antarctica
- Iskar Glacier, Livingston Island, Antarctica