Psophus is a monotypic genus of grasshopper of the family Acrididae, subfamily Oedipodinae and in the tribe Locustini.

The one species in the genus is Psophus stridulus, commonly known as the rattle grasshopper.

The basic colouration of the body varies from brown to grey–ochre or black, with lighter spots.

This species can be found in Central and Southern Europe, in the eastern Palearctic realm (Siberia, Russian Far East, Middle Asia, China, Mongolia, Eastern Asia), and in the Near East.

This species lives mainly in arid and rocky open areas, mostly in mountainous regions, at an elevation up to 2,000 metres (6,600 ft) above sea level.