Mugadina hamiltoni is a species of cicada, also known as the Hamilton grass-ticker, in the true cicada family, Cicadettinae subfamily and Cicadettini tribe. It is endemic to Australia. It was described in 2022 by Australian entomologist Anthony Ewart.
The length of the forewing is 11âÂÂ13 mm.
The species occurs from Winton westwards to Boulia in Central West Queensland. Its associated habitat is open grassland.
Adult males are heard in January and February, clinging to grass stems, uttering rapid ticking calls.