Grass tree, grass-tree or grasstree may refer to several plant species, including:

Plants Dasylirion longissimum (family: Asparagaceae), known as the Mexican grass tree Dracophyllum (family: Ericaceae), a genus of about 100 species sometimes known as grass-trees Kingia australis (family: Dasypogonaceae), a monotypic genus from Southwest Australia Richea pandanifolia (family: Ericaceae), known as the giant grass tree Xanthorrhoea (family: Asphodelaceae), a genus of about 30 species endemic to Australia, commonly called grasstrees

Places Grasstree railway station, New South Wales, Australia Grasstree, Queensland, a town in Australia Grasstree Beach, a locality in Queensland, Australia