Ostružno may refer to places:
Bosnia and Herzegovina Ostružno, Bosnia and Herzegovina, a village
Czech Republic Ostružno (Jičín District), a municipality and village in the Hradec Králové Region Ostružno, a village and part of Borek (Havlíčkův Brod District) in the Vysočina Region Ostružno, a village and part of Nezdice na Šumavě in the South Bohemian Region
See also Ostružná