Boana rhythmica is a species of frog in the family Hylidae.

It is endemic to Venezuela and only known from its type locality, Cerro Jaua in Bolívar State.

[2] It occurs along streams on the slopes of the tepui.

It is a nocturnal species found on branches of vegetation 0.3–1 m (1–3 ft) above the ground.

The tepui is within the Jaua-Sarisariñama National Park, and no major threats to this species have been identified.