Isojärvi
Isojärvi refers to several lakes in Finland:
- Isojärvi (Satakunta) , lake in the municipalities of Pomarkku and Siikainen (Satakunta)
- Isojärvi (Kuhmoinen) , lake in the municipality of Kuhmoinen (Central Finland)
Isojärvi also means:
- Isojärvi National Park , Finnish National Park in Central Finland