Olšina
Olšina denotes several geographical objects
- Olšina ( Langenbruck ), part of Horní Planá , Okres Český Krumlov, Czech Republic
- Olšina ( Wolschina 2nd part ), district of Mnichovo Hradiště , Okres Mladá Boleslav, Czech Republic
- Olšina, district of Trebišov , Okres Trebišov, Slovakia
- Olšina ( Wolschina ), settlement in the municipality of Březina u Mnichova Hradiště , Okres Mladá Boleslav, Czech Republic
- Olšina ( Olschina ), settlement in the municipality of Soběsuky , Okres Kroměříž, Czech Republic
- Olšina ( Langenbruck ), district of Polná na Šumavě , Okres Český Krumlov, Czech Republic
- Olšina ( Wolschen ), desert in the municipality of Ralsko , Okres Česká Lípa, Czech Republic
- Olšina (Moldau) ( Olschbach ), left tributary to the Moldau in the Czech Republic
- Olšina ( Wolschina ), tributary to the Jizera in the Czech Republic
- Olšina (Teich) ( Langenbrucker Teich ), pond in the Bohemian Forest, Czech Republic
- Olšina (612 m nm), mountain in the Bohemian-Moravian Highlands , Czech Republic
- Olšina (556 m nm), mountain in the Iron Mountains , Czech Republic