The Sava River is a river in Serbia.
Open Water Swimming
- The Sava is the site of the Jarak-Šabac Marathon Swim, one of the races on the FINA Open Water Swimming Grand Prix circuit.
- The Sava is the site of the 9 km Brčko Plivački Maraton.
- The Sava is site of the stage swim of 2,860 along the Danube River and the Sava River during the summer of 2017.