The four-striped grass mouse (Rhabdomys pumilio) or four-striped grass rat is a species of rodent in the family Muridae.
It is found throughout the southern half of Africa up to 2300m (7,500feet) above sea level, extending as far north as the Democratic Republic of the Congo. Its natural habitats are savannas, shrublands, Mediterranean-type shrubby vegetation, hot deserts, arable land, rural gardens, and urban areas.