Austrosteenisia is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Faboideae. It includes four species native to New Guinea and eastern Australia.

• Austrosteenisia blackii (F.Muell.) R.Geesink – eastern New Guinea, Queensland, and New South Wales
• Austrosteenisia glabristyla Jessup – southeastern Queensland and northeastern New South Wales
• Austrosteenisia mollitricha D.J.Dixon – Queensland
• Austrosteenisia stipularis (C.T.White) Jessup – Queensland

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