Scleria greigiifolia is a plant in the family Cyperaceae. It grows as a perennial herb.
Scleria greigiifolia grows naturally in central to southern Africa and Madagascar. Its habitat is dambos, bogs, wet places near streams and lakes, and seasonally flooded grasslands. It has been recorded at altitudes from 500m (1,600feet) to 1800m (5,900feet).