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.[1] It occurs along streams on the slopes of the tepui. It is a nocturnal species found on branches of vegetation 0.3- above the ground. The tepui is within the Jaua-Sarisariñama National Park, and no major threats to this species have been identified.