Rudno may refer to:
In Poland:
- Rudno, Greater Poland Voivodeship, west-central Poland
- Rudno, Lesser Poland Voivodeship, south Poland
- Rudno, Lower Silesian Voivodeship, south-west Poland
- Rudno, Chełm County in Lublin Voivodeship, east Poland
- Rudno, Lubartów County in Lublin Voivodeship, east Poland
- Rudno, Parczew County in Lublin Voivodeship, east Poland
- Rudno, Lubusz Voivodeship, west Poland
- Rudno, Mińsk County in Masovian Voivodeship, east-central Poland
- Rudno, Otwock County in Masovian Voivodeship, east-central Poland
- Rudno, Przysucha County in Masovian Voivodeship, east-central Poland
- Rudno, Pomeranian Voivodeship, north Poland
- Rudno, Silesian Voivodeship, south Poland
- Rudno, Warmian-Masurian Voivodeship, north-east Poland
- Rudno, West Pomeranian Voivodeship, north-west Poland
- Rudno, a district of Rudniki, Gdańsk
In Russia:
In Serbia:
In Slovakia:
In Slovenia:
- Rudno, Železniki, a village in the Municipality of Železniki, northwestern Slovenia
In Ukraine: