Rhopaloblaste augusta is a species of flowering plant in the family Arecaceae. It is found on the Nicobar Islands in the Indian Ocean, part of India.Kew World Checklist of Selected Plant FamiliesGovaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.Henderson, A. (2009). Palms of Southern Asia: 1-197. Princeton University press, Princeton and Oxford. It is also found in Peninsular Malaysia & Singapore, the Moluccas, New Guinea & the Solomon Islands. In lowland rain forest. It is threatened by habitat loss.

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