Aristida warburgii is a species of grass (in the family Poaceae) that is native to New South Wales and Queensland.

[1] It was first described by Carl Christian Mez in 1921 from a specimen collected near Maryborough, Queensland.

[2][3] The species epithet, warburgii, honours Otto Warburg.

[3] A warburgii is a tufted perennial, growing from 30 to 90 cm high.

It flowers and fruits all year round, growing on sandy soils in both Eucalyptus and Melaleuca communities.