The Sava Bohinjka is a headwater of the Sava River in northwestern Slovenia.
At 41 kilometers in length, it is the shorter of the two headwaters that become the Sava River in Radovljica, the other being the 45-kilometer-long Sava Dolinka. The Sava Bohinjka originates under the Komarča Ridge at an elevation of 805 m, from springs fed by the Triglav Lakes Valley. Until it reaches Lake Bohinj, the river is known as the Savica ('little Sava'), and features the 60-meter-high Savica Falls (Sln. Slap Savica) at its source. It then flows through the Ukanc Gorge, where the 3 MW Savica power plant is located, before flowing into Lake Bohinj, where it creates a small delta. It flows from Lake Bohinj as the Sava Bohinjka through Bohinjska Bistrica, Bohinjska Bela, and close to Lake Bled, before meeting the Sava Dolinka near Radovljica.