Spačva can refer to:
- Spačva (region), a small geographical region in eastern Croatia
- Spačva (river), a river in the same region of Croatia, affluent of Bosut
Spačva is a geographic microregion in Croatia. It is located in the south-western part of Syrmia—the latter being divided by Croatia and Serbia—and the southeastern part of Slavonia macroregion of Croatia, around Spačva river. This region contains villages Lipovac, Apševci, Podgrađe, Nijemci, Donje Novo Selo, Komletinci, Privlaka and town Otok.
Spačva is a small river in eastern Croatia. It rises in the swampy Spačva region, takes in river Breznica, and flows into the Bosut between Lipovac and Apševci. It is also linked with Studva, and its entire course is long.