The floodplain toadlet (Uperoleia inundata) is a species of frog in the family Myobatrachidae.
The floodplain toadlet is endemic to northern Australia ranging from the Timor sea to the gulf of Carpentaria. The floodplain toadlet natural habitats are subtropical or tropical dry forests, subtropical or tropical dry lowland grassland, and intermittent freshwater marshes.
The population of the species is stable and is on the least concerned list. The species faces no threats.